Home / 2,147,310.20-3,220,434-1,282,981.04

Finding the Fourth Proportional to 2,147,310.20, 3,220,434 and 1,282,981.04

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Solution

The fourth proportional to 2,147,310.20, 3,220,434 and 1,282,981.04 is: 1,924,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,310.20 : 3,220,434 = 1,282,981.04 : x
  2. Step 2: Convert to fraction form
    2,147,310.20/3,220,434 = 1,282,981.04/x
  3. Step 3: Cross multiply
    2,147,310.20x = 3,220,434 × 1,282,981.04
  4. Step 4: Simplify right side
    2,147,310.20x = 4,131,755,762,571.36
  5. Step 5: Solve for x
    x = 4,131,755,762,571.36/2,147,310.20
  6. Step 6: Final answer
    x = 1,924,154.12

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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.