Home / 5,107,647.22-7,644,738.61-2,798,619.15

Finding the Fourth Proportional to 5,107,647.22, 7,644,738.61 and 2,798,619.15

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Solution

The fourth proportional to 5,107,647.22, 7,644,738.61 and 2,798,619.15 is: 4,188,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,647.22 : 7,644,738.61 = 2,798,619.15 : x
  2. Step 2: Convert to fraction form
    5,107,647.22/7,644,738.61 = 2,798,619.15/x
  3. Step 3: Cross multiply
    5,107,647.22x = 7,644,738.61 × 2,798,619.15
  4. Step 4: Simplify right side
    5,107,647.22x = 21,394,711,910,727.54
  5. Step 5: Solve for x
    x = 21,394,711,910,727.54/5,107,647.22
  6. Step 6: Final answer
    x = 4,188,760.69

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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.