Home / 3,500,123.40-5,250,185.10-2,185,955.10

Finding the Fourth Proportional to 3,500,123.40, 5,250,185.10 and 2,185,955.10

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Solution

The fourth proportional to 3,500,123.40, 5,250,185.10 and 2,185,955.10 is: 3,278,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,123.40 : 5,250,185.10 = 2,185,955.10 : x
  2. Step 2: Convert to fraction form
    3,500,123.40/5,250,185.10 = 2,185,955.10/x
  3. Step 3: Cross multiply
    3,500,123.40x = 5,250,185.10 × 2,185,955.10
  4. Step 4: Simplify right side
    3,500,123.40x = 11,476,668,895,289.01
  5. Step 5: Solve for x
    x = 11,476,668,895,289.01/3,500,123.40
  6. Step 6: Final answer
    x = 3,278,932.65

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Half scale
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Double scale
Find fourth proportional to 3,500,124.40, 5,250,186.60 and 2,185,956.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.