Home / 3,171,869.63-4,377,184.89-1,721,565.59

Finding the Fourth Proportional to 3,171,869.63, 4,377,184.89 and 1,721,565.59

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Solution

The fourth proportional to 3,171,869.63, 4,377,184.89 and 1,721,565.59 is: 2,375,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,869.63 : 4,377,184.89 = 1,721,565.59 : x
  2. Step 2: Convert to fraction form
    3,171,869.63/4,377,184.89 = 1,721,565.59/x
  3. Step 3: Cross multiply
    3,171,869.63x = 4,377,184.89 × 1,721,565.59
  4. Step 4: Simplify right side
    3,171,869.63x = 7,535,610,887,691.94
  5. Step 5: Solve for x
    x = 7,535,610,887,691.94/3,171,869.63
  6. Step 6: Final answer
    x = 2,375,763.12

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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.