Home / 2,000,881.20-3,003,290.10-991,143.30

Finding the Fourth Proportional to 2,000,881.20, 3,003,290.10 and 991,143.30

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Solution

The fourth proportional to 2,000,881.20, 3,003,290.10 and 991,143.30 is: 1,487,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000,881.20 : 3,003,290.10 = 991,143.30 : x
  2. Step 2: Convert to fraction form
    2,000,881.20/3,003,290.10 = 991,143.30/x
  3. Step 3: Cross multiply
    2,000,881.20x = 3,003,290.10 × 991,143.30
  4. Step 4: Simplify right side
    2,000,881.20x = 2,976,690,860,571.33
  5. Step 5: Solve for x
    x = 2,976,690,860,571.33/2,000,881.20
  6. Step 6: Final answer
    x = 1,487,689.95

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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.