Home / 3,991,819.20-5,987,728.80-2,732,107.20

Finding the Fourth Proportional to 3,991,819.20, 5,987,728.80 and 2,732,107.20

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Solution

The fourth proportional to 3,991,819.20, 5,987,728.80 and 2,732,107.20 is: 4,098,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,819.20 : 5,987,728.80 = 2,732,107.20 : x
  2. Step 2: Convert to fraction form
    3,991,819.20/5,987,728.80 = 2,732,107.20/x
  3. Step 3: Cross multiply
    3,991,819.20x = 5,987,728.80 × 2,732,107.20
  4. Step 4: Simplify right side
    3,991,819.20x = 16,359,116,966,127.36
  5. Step 5: Solve for x
    x = 16,359,116,966,127.36/3,991,819.20
  6. Step 6: Final answer
    x = 4,098,160.80

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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.