Home / 2,181,002.20-3,272,021.70-918,179.80

Finding the Fourth Proportional to 2,181,002.20, 3,272,021.70 and 918,179.80

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Solution

The fourth proportional to 2,181,002.20, 3,272,021.70 and 918,179.80 is: 1,377,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,002.20 : 3,272,021.70 = 918,179.80 : x
  2. Step 2: Convert to fraction form
    2,181,002.20/3,272,021.70 = 918,179.80/x
  3. Step 3: Cross multiply
    2,181,002.20x = 3,272,021.70 × 918,179.80
  4. Step 4: Simplify right side
    2,181,002.20x = 3,004,304,230,101.66
  5. Step 5: Solve for x
    x = 3,004,304,230,101.66/2,181,002.20
  6. Step 6: Final answer
    x = 1,377,487.94

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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.