Home / 1,647,007.11-2,272,847.51-921,854.61

Finding the Fourth Proportional to 1,647,007.11, 2,272,847.51 and 921,854.61

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Solution

The fourth proportional to 1,647,007.11, 2,272,847.51 and 921,854.61 is: 1,272,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,007.11 : 2,272,847.51 = 921,854.61 : x
  2. Step 2: Convert to fraction form
    1,647,007.11/2,272,847.51 = 921,854.61/x
  3. Step 3: Cross multiply
    1,647,007.11x = 2,272,847.51 × 921,854.61
  4. Step 4: Simplify right side
    1,647,007.11x = 2,095,234,954,920.52
  5. Step 5: Solve for x
    x = 2,095,234,954,920.52/1,647,007.11
  6. Step 6: Final answer
    x = 1,272,146.88

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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.