Home / 3,171,854.87-4,377,042.60-1,721,519.16

Finding the Fourth Proportional to 3,171,854.87, 4,377,042.60 and 1,721,519.16

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Solution

The fourth proportional to 3,171,854.87, 4,377,042.60 and 1,721,519.16 is: 2,375,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,854.87 : 4,377,042.60 = 1,721,519.16 : x
  2. Step 2: Convert to fraction form
    3,171,854.87/4,377,042.60 = 1,721,519.16/x
  3. Step 3: Cross multiply
    3,171,854.87x = 4,377,042.60 × 1,721,519.16
  4. Step 4: Simplify right side
    3,171,854.87x = 7,535,162,700,036.22
  5. Step 5: Solve for x
    x = 7,535,162,700,036.22/3,171,854.87
  6. Step 6: Final answer
    x = 2,375,632.87

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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.