Home / 2,068,101.88-3,102,236.24-720,400.80

Finding the Fourth Proportional to 2,068,101.88, 3,102,236.24 and 720,400.80

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Solution

The fourth proportional to 2,068,101.88, 3,102,236.24 and 720,400.80 is: 1,080,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,101.88 : 3,102,236.24 = 720,400.80 : x
  2. Step 2: Convert to fraction form
    2,068,101.88/3,102,236.24 = 720,400.80/x
  3. Step 3: Cross multiply
    2,068,101.88x = 3,102,236.24 × 720,400.80
  4. Step 4: Simplify right side
    2,068,101.88x = 2,234,853,469,084.99
  5. Step 5: Solve for x
    x = 2,234,853,469,084.99/2,068,101.88
  6. Step 6: Final answer
    x = 1,080,630.26

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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.