Home / 3,172,001.28-4,377,366.20-1,721,697.02

Finding the Fourth Proportional to 3,172,001.28, 4,377,366.20 and 1,721,697.02

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Solution

The fourth proportional to 3,172,001.28, 4,377,366.20 and 1,721,697.02 is: 2,375,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,001.28 : 4,377,366.20 = 1,721,697.02 : x
  2. Step 2: Convert to fraction form
    3,172,001.28/4,377,366.20 = 1,721,697.02/x
  3. Step 3: Cross multiply
    3,172,001.28x = 4,377,366.20 × 1,721,697.02
  4. Step 4: Simplify right side
    3,172,001.28x = 7,536,498,311,493.41
  5. Step 5: Solve for x
    x = 7,536,498,311,493.41/3,172,001.28
  6. Step 6: Final answer
    x = 2,375,944.28

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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.