Home / 2,124,809.38-3,186,045.39-1,451,650.78

Finding the Fourth Proportional to 2,124,809.38, 3,186,045.39 and 1,451,650.78

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Solution

The fourth proportional to 2,124,809.38, 3,186,045.39 and 1,451,650.78 is: 2,176,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,809.38 : 3,186,045.39 = 1,451,650.78 : x
  2. Step 2: Convert to fraction form
    2,124,809.38/3,186,045.39 = 1,451,650.78/x
  3. Step 3: Cross multiply
    2,124,809.38x = 3,186,045.39 × 1,451,650.78
  4. Step 4: Simplify right side
    2,124,809.38x = 4,625,025,275,508.90
  5. Step 5: Solve for x
    x = 4,625,025,275,508.90/2,124,809.38
  6. Step 6: Final answer
    x = 2,176,677.74

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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.