Home / 6,198,201.20-9,291,976.79-2,154,163.61

Finding the Fourth Proportional to 6,198,201.20, 9,291,976.79 and 2,154,163.61

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Solution

The fourth proportional to 6,198,201.20, 9,291,976.79 and 2,154,163.61 is: 3,229,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198,201.20 : 9,291,976.79 = 2,154,163.61 : x
  2. Step 2: Convert to fraction form
    6,198,201.20/9,291,976.79 = 2,154,163.61/x
  3. Step 3: Cross multiply
    6,198,201.20x = 9,291,976.79 × 2,154,163.61
  4. Step 4: Simplify right side
    6,198,201.20x = 20,016,438,208,751.91
  5. Step 5: Solve for x
    x = 20,016,438,208,751.91/6,198,201.20
  6. Step 6: Final answer
    x = 3,229,394.72

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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.