Home / 2,120,375.20-3,179,641.20-624,157.60

Finding the Fourth Proportional to 2,120,375.20, 3,179,641.20 and 624,157.60

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Solution

The fourth proportional to 2,120,375.20, 3,179,641.20 and 624,157.60 is: 935,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,375.20 : 3,179,641.20 = 624,157.60 : x
  2. Step 2: Convert to fraction form
    2,120,375.20/3,179,641.20 = 624,157.60/x
  3. Step 3: Cross multiply
    2,120,375.20x = 3,179,641.20 × 624,157.60
  4. Step 4: Simplify right side
    2,120,375.20x = 1,984,597,220,253.12
  5. Step 5: Solve for x
    x = 1,984,597,220,253.12/2,120,375.20
  6. Step 6: Final answer
    x = 935,965.12

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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.