Home / 6,381,785.27-9,572,761.20-2,121,953.49

Finding the Fourth Proportional to 6,381,785.27, 9,572,761.20 and 2,121,953.49

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Solution

The fourth proportional to 6,381,785.27, 9,572,761.20 and 2,121,953.49 is: 3,182,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,785.27 : 9,572,761.20 = 2,121,953.49 : x
  2. Step 2: Convert to fraction form
    6,381,785.27/9,572,761.20 = 2,121,953.49/x
  3. Step 3: Cross multiply
    6,381,785.27x = 9,572,761.20 × 2,121,953.49
  4. Step 4: Simplify right side
    6,381,785.27x = 20,312,954,045,233.91
  5. Step 5: Solve for x
    x = 20,312,954,045,233.91/6,381,785.27
  6. Step 6: Final answer
    x = 3,182,957.93

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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.