Home / 1,978,691.46-2,726,862.33-1,585,778.12

Finding the Fourth Proportional to 1,978,691.46, 2,726,862.33 and 1,585,778.12

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Solution

The fourth proportional to 1,978,691.46, 2,726,862.33 and 1,585,778.12 is: 2,185,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,691.46 : 2,726,862.33 = 1,585,778.12 : x
  2. Step 2: Convert to fraction form
    1,978,691.46/2,726,862.33 = 1,585,778.12/x
  3. Step 3: Cross multiply
    1,978,691.46x = 2,726,862.33 × 1,585,778.12
  4. Step 4: Simplify right side
    1,978,691.46x = 4,324,198,605,531.91
  5. Step 5: Solve for x
    x = 4,324,198,605,531.91/1,978,691.46
  6. Step 6: Final answer
    x = 2,185,382.96

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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.