Home / 3,960,080.80-5,940,121.20-3,487,688.80

Finding the Fourth Proportional to 3,960,080.80, 5,940,121.20 and 3,487,688.80

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Solution

The fourth proportional to 3,960,080.80, 5,940,121.20 and 3,487,688.80 is: 5,231,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,080.80 : 5,940,121.20 = 3,487,688.80 : x
  2. Step 2: Convert to fraction form
    3,960,080.80/5,940,121.20 = 3,487,688.80/x
  3. Step 3: Cross multiply
    3,960,080.80x = 5,940,121.20 × 3,487,688.80
  4. Step 4: Simplify right side
    3,960,080.80x = 20,717,294,179,882.56
  5. Step 5: Solve for x
    x = 20,717,294,179,882.56/3,960,080.80
  6. Step 6: Final answer
    x = 5,231,533.20

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Similar ratio
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1.5x scale

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.