Home / 3,727,067.76-5,143,187.88-2,279,189.52

Finding the Fourth Proportional to 3,727,067.76, 5,143,187.88 and 2,279,189.52

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Solution

The fourth proportional to 3,727,067.76, 5,143,187.88 and 2,279,189.52 is: 3,145,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727,067.76 : 5,143,187.88 = 2,279,189.52 : x
  2. Step 2: Convert to fraction form
    3,727,067.76/5,143,187.88 = 2,279,189.52/x
  3. Step 3: Cross multiply
    3,727,067.76x = 5,143,187.88 × 2,279,189.52
  4. Step 4: Simplify right side
    3,727,067.76x = 11,722,299,915,487.02
  5. Step 5: Solve for x
    x = 11,722,299,915,487.02/3,727,067.76
  6. Step 6: Final answer
    x = 3,145,180.25

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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.