Home / 3,987,008.20-5,980,512.30-2,388,748.60

Finding the Fourth Proportional to 3,987,008.20, 5,980,512.30 and 2,388,748.60

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Solution

The fourth proportional to 3,987,008.20, 5,980,512.30 and 2,388,748.60 is: 3,583,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,008.20 : 5,980,512.30 = 2,388,748.60 : x
  2. Step 2: Convert to fraction form
    3,987,008.20/5,980,512.30 = 2,388,748.60/x
  3. Step 3: Cross multiply
    3,987,008.20x = 5,980,512.30 × 2,388,748.60
  4. Step 4: Simplify right side
    3,987,008.20x = 14,285,940,383,907.78
  5. Step 5: Solve for x
    x = 14,285,940,383,907.78/3,987,008.20
  6. Step 6: Final answer
    x = 3,583,122.90

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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.