Home / 6,988,873.20-9,645,042-4,198,849.80

Finding the Fourth Proportional to 6,988,873.20, 9,645,042 and 4,198,849.80

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Solution

The fourth proportional to 6,988,873.20, 9,645,042 and 4,198,849.80 is: 5,794,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,873.20 : 9,645,042 = 4,198,849.80 : x
  2. Step 2: Convert to fraction form
    6,988,873.20/9,645,042 = 4,198,849.80/x
  3. Step 3: Cross multiply
    6,988,873.20x = 9,645,042 × 4,198,849.80
  4. Step 4: Simplify right side
    6,988,873.20x = 40,498,082,672,691.60
  5. Step 5: Solve for x
    x = 40,498,082,672,691.60/6,988,873.20
  6. Step 6: Final answer
    x = 5,794,651.23

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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.