Home / 2,257,922.61-3,115,932-1,277,843.85

Finding the Fourth Proportional to 2,257,922.61, 3,115,932 and 1,277,843.85

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Solution

The fourth proportional to 2,257,922.61, 3,115,932 and 1,277,843.85 is: 1,763,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,922.61 : 3,115,932 = 1,277,843.85 : x
  2. Step 2: Convert to fraction form
    2,257,922.61/3,115,932 = 1,277,843.85/x
  3. Step 3: Cross multiply
    2,257,922.61x = 3,115,932 × 1,277,843.85
  4. Step 4: Simplify right side
    2,257,922.61x = 3,981,674,543,218.20
  5. Step 5: Solve for x
    x = 3,981,674,543,218.20/2,257,922.61
  6. Step 6: Final answer
    x = 1,763,423.83

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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.