Home / 2,193,116.70-3,289,675.05-930,780.30

Finding the Fourth Proportional to 2,193,116.70, 3,289,675.05 and 930,780.30

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Solution

The fourth proportional to 2,193,116.70, 3,289,675.05 and 930,780.30 is: 1,396,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,116.70 : 3,289,675.05 = 930,780.30 : x
  2. Step 2: Convert to fraction form
    2,193,116.70/3,289,675.05 = 930,780.30/x
  3. Step 3: Cross multiply
    2,193,116.70x = 3,289,675.05 × 930,780.30
  4. Step 4: Simplify right side
    2,193,116.70x = 3,061,964,729,941.52
  5. Step 5: Solve for x
    x = 3,061,964,729,941.52/2,193,116.70
  6. Step 6: Final answer
    x = 1,396,170.45

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Double scale
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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.