Home / 2,180,131.20-3,271,363.20-918,086.40

Finding the Fourth Proportional to 2,180,131.20, 3,271,363.20 and 918,086.40

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Solution

The fourth proportional to 2,180,131.20, 3,271,363.20 and 918,086.40 is: 1,377,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,131.20 : 3,271,363.20 = 918,086.40 : x
  2. Step 2: Convert to fraction form
    2,180,131.20/3,271,363.20 = 918,086.40/x
  3. Step 3: Cross multiply
    2,180,131.20x = 3,271,363.20 × 918,086.40
  4. Step 4: Simplify right side
    2,180,131.20x = 3,003,394,063,380.48
  5. Step 5: Solve for x
    x = 3,003,394,063,380.48/2,180,131.20
  6. Step 6: Final answer
    x = 1,377,620.79

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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.