Home / 3,278,540.80-4,915,672.80-2,942,617.60

Finding the Fourth Proportional to 3,278,540.80, 4,915,672.80 and 2,942,617.60

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Solution

The fourth proportional to 3,278,540.80, 4,915,672.80 and 2,942,617.60 is: 4,412,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,540.80 : 4,915,672.80 = 2,942,617.60 : x
  2. Step 2: Convert to fraction form
    3,278,540.80/4,915,672.80 = 2,942,617.60/x
  3. Step 3: Cross multiply
    3,278,540.80x = 4,915,672.80 × 2,942,617.60
  4. Step 4: Simplify right side
    3,278,540.80x = 14,464,945,297,121.28
  5. Step 5: Solve for x
    x = 14,464,945,297,121.28/3,278,540.80
  6. Step 6: Final answer
    x = 4,412,007.10

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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.