Home / 2,148,132.73-2,964,418.92-1,230,658.90

Finding the Fourth Proportional to 2,148,132.73, 2,964,418.92 and 1,230,658.90

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Solution

The fourth proportional to 2,148,132.73, 2,964,418.92 and 1,230,658.90 is: 1,698,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,132.73 : 2,964,418.92 = 1,230,658.90 : x
  2. Step 2: Convert to fraction form
    2,148,132.73/2,964,418.92 = 1,230,658.90/x
  3. Step 3: Cross multiply
    2,148,132.73x = 2,964,418.92 × 1,230,658.90
  4. Step 4: Simplify right side
    2,148,132.73x = 3,648,188,527,226.39
  5. Step 5: Solve for x
    x = 3,648,188,527,226.39/2,148,132.73
  6. Step 6: Final answer
    x = 1,698,306.85

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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.