Home / 3,472,872.20-5,209,308.30-2,913,000.20

Finding the Fourth Proportional to 3,472,872.20, 5,209,308.30 and 2,913,000.20

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Solution

The fourth proportional to 3,472,872.20, 5,209,308.30 and 2,913,000.20 is: 4,369,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472,872.20 : 5,209,308.30 = 2,913,000.20 : x
  2. Step 2: Convert to fraction form
    3,472,872.20/5,209,308.30 = 2,913,000.20/x
  3. Step 3: Cross multiply
    3,472,872.20x = 5,209,308.30 × 2,913,000.20
  4. Step 4: Simplify right side
    3,472,872.20x = 15,174,716,119,761.66
  5. Step 5: Solve for x
    x = 15,174,716,119,761.66/3,472,872.20
  6. Step 6: Final answer
    x = 4,369,500.30

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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.