Home / 3,979,361.93-5,970,304.88-1,420,520.73

Finding the Fourth Proportional to 3,979,361.93, 5,970,304.88 and 1,420,520.73

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Solution

The fourth proportional to 3,979,361.93, 5,970,304.88 and 1,420,520.73 is: 2,131,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,361.93 : 5,970,304.88 = 1,420,520.73 : x
  2. Step 2: Convert to fraction form
    3,979,361.93/5,970,304.88 = 1,420,520.73/x
  3. Step 3: Cross multiply
    3,979,361.93x = 5,970,304.88 × 1,420,520.73
  4. Step 4: Simplify right side
    3,979,361.93x = 8,480,941,839,357.56
  5. Step 5: Solve for x
    x = 8,480,941,839,357.56/3,979,361.93
  6. Step 6: Final answer
    x = 2,131,231.59

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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.