Home / 5,452,666.40-8,172,001.20-3,320,487.20

Finding the Fourth Proportional to 5,452,666.40, 8,172,001.20 and 3,320,487.20

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Solution

The fourth proportional to 5,452,666.40, 8,172,001.20 and 3,320,487.20 is: 4,976,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452,666.40 : 8,172,001.20 = 3,320,487.20 : x
  2. Step 2: Convert to fraction form
    5,452,666.40/8,172,001.20 = 3,320,487.20/x
  3. Step 3: Cross multiply
    5,452,666.40x = 8,172,001.20 × 3,320,487.20
  4. Step 4: Simplify right side
    5,452,666.40x = 27,135,025,382,984.64
  5. Step 5: Solve for x
    x = 27,135,025,382,984.64/5,452,666.40
  6. Step 6: Final answer
    x = 4,976,469.01

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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.