Home / 1,987,912.20-2,982,257.10-850,672.20

Finding the Fourth Proportional to 1,987,912.20, 2,982,257.10 and 850,672.20

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Solution

The fourth proportional to 1,987,912.20, 2,982,257.10 and 850,672.20 is: 1,276,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,912.20 : 2,982,257.10 = 850,672.20 : x
  2. Step 2: Convert to fraction form
    1,987,912.20/2,982,257.10 = 850,672.20/x
  3. Step 3: Cross multiply
    1,987,912.20x = 2,982,257.10 × 850,672.20
  4. Step 4: Simplify right side
    1,987,912.20x = 2,536,923,208,222.62
  5. Step 5: Solve for x
    x = 2,536,923,208,222.62/1,987,912.20
  6. Step 6: Final answer
    x = 1,276,174.68

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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.