Home / 3,171,841.80-4,757,721.48-775,707.20

Finding the Fourth Proportional to 3,171,841.80, 4,757,721.48 and 775,707.20

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Solution

The fourth proportional to 3,171,841.80, 4,757,721.48 and 775,707.20 is: 1,163,550.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,841.80 : 4,757,721.48 = 775,707.20 : x
  2. Step 2: Convert to fraction form
    3,171,841.80/4,757,721.48 = 775,707.20/x
  3. Step 3: Cross multiply
    3,171,841.80x = 4,757,721.48 × 775,707.20
  4. Step 4: Simplify right side
    3,171,841.80x = 3,690,598,807,630.66
  5. Step 5: Solve for x
    x = 3,690,598,807,630.66/3,171,841.80
  6. Step 6: Final answer
    x = 1,163,550.72

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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.