Home / 3,639,000.10-5,458,500.15-2,221,824.10

Finding the Fourth Proportional to 3,639,000.10, 5,458,500.15 and 2,221,824.10

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Solution

The fourth proportional to 3,639,000.10, 5,458,500.15 and 2,221,824.10 is: 3,332,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,000.10 : 5,458,500.15 = 2,221,824.10 : x
  2. Step 2: Convert to fraction form
    3,639,000.10/5,458,500.15 = 2,221,824.10/x
  3. Step 3: Cross multiply
    3,639,000.10x = 5,458,500.15 × 2,221,824.10
  4. Step 4: Simplify right side
    3,639,000.10x = 12,127,827,183,123.62
  5. Step 5: Solve for x
    x = 12,127,827,183,123.62/3,639,000.10
  6. Step 6: Final answer
    x = 3,332,736.15

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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.