Home / 2,123,494.36-3,186,550.50-861,332.92

Finding the Fourth Proportional to 2,123,494.36, 3,186,550.50 and 861,332.92

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Solution

The fourth proportional to 2,123,494.36, 3,186,550.50 and 861,332.92 is: 1,292,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,494.36 : 3,186,550.50 = 861,332.92 : x
  2. Step 2: Convert to fraction form
    2,123,494.36/3,186,550.50 = 861,332.92/x
  3. Step 3: Cross multiply
    2,123,494.36x = 3,186,550.50 × 861,332.92
  4. Step 4: Simplify right side
    2,123,494.36x = 2,744,680,846,892.46
  5. Step 5: Solve for x
    x = 2,744,680,846,892.46/2,123,494.36
  6. Step 6: Final answer
    x = 1,292,530.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.