Home / 2,647,807.80-3,969,743.40-1,451,081.40

Finding the Fourth Proportional to 2,647,807.80, 3,969,743.40 and 1,451,081.40

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Solution

The fourth proportional to 2,647,807.80, 3,969,743.40 and 1,451,081.40 is: 2,175,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,807.80 : 3,969,743.40 = 1,451,081.40 : x
  2. Step 2: Convert to fraction form
    2,647,807.80/3,969,743.40 = 1,451,081.40/x
  3. Step 3: Cross multiply
    2,647,807.80x = 3,969,743.40 × 1,451,081.40
  4. Step 4: Simplify right side
    2,647,807.80x = 5,760,420,810,512.76
  5. Step 5: Solve for x
    x = 5,760,420,810,512.76/2,647,807.80
  6. Step 6: Final answer
    x = 2,175,543.41

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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.