Home / 5,132,761.76-7,083,105.44-2,840,785.76

Finding the Fourth Proportional to 5,132,761.76, 7,083,105.44 and 2,840,785.76

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Solution

The fourth proportional to 5,132,761.76, 7,083,105.44 and 2,840,785.76 is: 3,920,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132,761.76 : 7,083,105.44 = 2,840,785.76 : x
  2. Step 2: Convert to fraction form
    5,132,761.76/7,083,105.44 = 2,840,785.76/x
  3. Step 3: Cross multiply
    5,132,761.76x = 7,083,105.44 × 2,840,785.76
  4. Step 4: Simplify right side
    5,132,761.76x = 20,121,585,070,530.54
  5. Step 5: Solve for x
    x = 20,121,585,070,530.54/5,132,761.76
  6. Step 6: Final answer
    x = 3,920,225.80

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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.