Home / 3,991,591.08-5,508,397.90-2,156,049.36

Finding the Fourth Proportional to 3,991,591.08, 5,508,397.90 and 2,156,049.36

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Solution

The fourth proportional to 3,991,591.08, 5,508,397.90 and 2,156,049.36 is: 2,975,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,591.08 : 5,508,397.90 = 2,156,049.36 : x
  2. Step 2: Convert to fraction form
    3,991,591.08/5,508,397.90 = 2,156,049.36/x
  3. Step 3: Cross multiply
    3,991,591.08x = 5,508,397.90 × 2,156,049.36
  4. Step 4: Simplify right side
    3,991,591.08x = 11,876,377,766,920.34
  5. Step 5: Solve for x
    x = 11,876,377,766,920.34/3,991,591.08
  6. Step 6: Final answer
    x = 2,975,349.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.