Home / 2,180,991.20-3,272,005.20-918,168.80

Finding the Fourth Proportional to 2,180,991.20, 3,272,005.20 and 918,168.80

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Solution

The fourth proportional to 2,180,991.20, 3,272,005.20 and 918,168.80 is: 1,377,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,991.20 : 3,272,005.20 = 918,168.80 : x
  2. Step 2: Convert to fraction form
    2,180,991.20/3,272,005.20 = 918,168.80/x
  3. Step 3: Cross multiply
    2,180,991.20x = 3,272,005.20 × 918,168.80
  4. Step 4: Simplify right side
    2,180,991.20x = 3,004,253,088,077.76
  5. Step 5: Solve for x
    x = 3,004,253,088,077.76/2,180,991.20
  6. Step 6: Final answer
    x = 1,377,471.44

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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.