Home / 5,372,414.40-8,058,621.60-1,585,891.20

Finding the Fourth Proportional to 5,372,414.40, 8,058,621.60 and 1,585,891.20

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Solution

The fourth proportional to 5,372,414.40, 8,058,621.60 and 1,585,891.20 is: 2,378,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372,414.40 : 8,058,621.60 = 1,585,891.20 : x
  2. Step 2: Convert to fraction form
    5,372,414.40/8,058,621.60 = 1,585,891.20/x
  3. Step 3: Cross multiply
    5,372,414.40x = 8,058,621.60 × 1,585,891.20
  4. Step 4: Simplify right side
    5,372,414.40x = 12,780,097,079,569.92
  5. Step 5: Solve for x
    x = 12,780,097,079,569.92/5,372,414.40
  6. Step 6: Final answer
    x = 2,378,836.80

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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.