Home / 3,987,418.60-5,982,002.70-1,966,630.60

Finding the Fourth Proportional to 3,987,418.60, 5,982,002.70 and 1,966,630.60

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Solution

The fourth proportional to 3,987,418.60, 5,982,002.70 and 1,966,630.60 is: 2,950,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,418.60 : 5,982,002.70 = 1,966,630.60 : x
  2. Step 2: Convert to fraction form
    3,987,418.60/5,982,002.70 = 1,966,630.60/x
  3. Step 3: Cross multiply
    3,987,418.60x = 5,982,002.70 × 1,966,630.60
  4. Step 4: Simplify right side
    3,987,418.60x = 11,764,389,559,102.62
  5. Step 5: Solve for x
    x = 11,764,389,559,102.62/3,987,418.60
  6. Step 6: Final answer
    x = 2,950,377.36

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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.