Home / 2,753,375.85-4,128,645.64-1,235,757.78

Finding the Fourth Proportional to 2,753,375.85, 4,128,645.64 and 1,235,757.78

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Solution

The fourth proportional to 2,753,375.85, 4,128,645.64 and 1,235,757.78 is: 1,853,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,375.85 : 4,128,645.64 = 1,235,757.78 : x
  2. Step 2: Convert to fraction form
    2,753,375.85/4,128,645.64 = 1,235,757.78/x
  3. Step 3: Cross multiply
    2,753,375.85x = 4,128,645.64 × 1,235,757.78
  4. Step 4: Simplify right side
    2,753,375.85x = 5,102,005,970,493.08
  5. Step 5: Solve for x
    x = 5,102,005,970,493.08/2,753,375.85
  6. Step 6: Final answer
    x = 1,853,000.19

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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.