Home / 2,794,704.80-4,192,057.20-1,278,384.80

Finding the Fourth Proportional to 2,794,704.80, 4,192,057.20 and 1,278,384.80

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Solution

The fourth proportional to 2,794,704.80, 4,192,057.20 and 1,278,384.80 is: 1,917,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794,704.80 : 4,192,057.20 = 1,278,384.80 : x
  2. Step 2: Convert to fraction form
    2,794,704.80/4,192,057.20 = 1,278,384.80/x
  3. Step 3: Cross multiply
    2,794,704.80x = 4,192,057.20 × 1,278,384.80
  4. Step 4: Simplify right side
    2,794,704.80x = 5,359,062,205,210.56
  5. Step 5: Solve for x
    x = 5,359,062,205,210.56/2,794,704.80
  6. Step 6: Final answer
    x = 1,917,577.20

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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.