Home / 2,080,446.30-3,120,912.45-660,645.90

Finding the Fourth Proportional to 2,080,446.30, 3,120,912.45 and 660,645.90

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Solution

The fourth proportional to 2,080,446.30, 3,120,912.45 and 660,645.90 is: 991,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,446.30 : 3,120,912.45 = 660,645.90 : x
  2. Step 2: Convert to fraction form
    2,080,446.30/3,120,912.45 = 660,645.90/x
  3. Step 3: Cross multiply
    2,080,446.30x = 3,120,912.45 × 660,645.90
  4. Step 4: Simplify right side
    2,080,446.30x = 2,061,818,014,351.46
  5. Step 5: Solve for x
    x = 2,061,818,014,351.46/2,080,446.30
  6. Step 6: Final answer
    x = 991,046.01

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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.