Home / 4,981,669.94-7,472,512.20-1,387,447.22

Finding the Fourth Proportional to 4,981,669.94, 7,472,512.20 and 1,387,447.22

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Solution

The fourth proportional to 4,981,669.94, 7,472,512.20 and 1,387,447.22 is: 2,081,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,669.94 : 7,472,512.20 = 1,387,447.22 : x
  2. Step 2: Convert to fraction form
    4,981,669.94/7,472,512.20 = 1,387,447.22/x
  3. Step 3: Cross multiply
    4,981,669.94x = 7,472,512.20 × 1,387,447.22
  4. Step 4: Simplify right side
    4,981,669.94x = 10,367,716,278,306.08
  5. Step 5: Solve for x
    x = 10,367,716,278,306.08/4,981,669.94
  6. Step 6: Final answer
    x = 2,081,172.86

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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.