Home / 3,608,306.74-4,979,462.98-2,158,002.15

Finding the Fourth Proportional to 3,608,306.74, 4,979,462.98 and 2,158,002.15

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Solution

The fourth proportional to 3,608,306.74, 4,979,462.98 and 2,158,002.15 is: 2,978,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,306.74 : 4,979,462.98 = 2,158,002.15 : x
  2. Step 2: Convert to fraction form
    3,608,306.74/4,979,462.98 = 2,158,002.15/x
  3. Step 3: Cross multiply
    3,608,306.74x = 4,979,462.98 × 2,158,002.15
  4. Step 4: Simplify right side
    3,608,306.74x = 10,745,691,816,685.41
  5. Step 5: Solve for x
    x = 10,745,691,816,685.41/3,608,306.74
  6. Step 6: Final answer
    x = 2,978,042.77

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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.