Home / 3,172,002.38-4,377,367.68-1,721,698.10

Finding the Fourth Proportional to 3,172,002.38, 4,377,367.68 and 1,721,698.10

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Solution

The fourth proportional to 3,172,002.38, 4,377,367.68 and 1,721,698.10 is: 2,375,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,002.38 : 4,377,367.68 = 1,721,698.10 : x
  2. Step 2: Convert to fraction form
    3,172,002.38/4,377,367.68 = 1,721,698.10/x
  3. Step 3: Cross multiply
    3,172,002.38x = 4,377,367.68 × 1,721,698.10
  4. Step 4: Simplify right side
    3,172,002.38x = 7,536,505,617,657.41
  5. Step 5: Solve for x
    x = 7,536,505,617,657.41/3,172,002.38
  6. Step 6: Final answer
    x = 2,375,945.76

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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.