Home / 2,752,391.70-4,128,587.55-2,458,458.90

Finding the Fourth Proportional to 2,752,391.70, 4,128,587.55 and 2,458,458.90

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Solution

The fourth proportional to 2,752,391.70, 4,128,587.55 and 2,458,458.90 is: 3,687,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,391.70 : 4,128,587.55 = 2,458,458.90 : x
  2. Step 2: Convert to fraction form
    2,752,391.70/4,128,587.55 = 2,458,458.90/x
  3. Step 3: Cross multiply
    2,752,391.70x = 4,128,587.55 × 2,458,458.90
  4. Step 4: Simplify right side
    2,752,391.70x = 10,149,962,806,726.69
  5. Step 5: Solve for x
    x = 10,149,962,806,726.69/2,752,391.70
  6. Step 6: Final answer
    x = 3,687,688.35

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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.