Home / 3,131,357.26-4,321,199.82-1,842,280.64

Finding the Fourth Proportional to 3,131,357.26, 4,321,199.82 and 1,842,280.64

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Solution

The fourth proportional to 3,131,357.26, 4,321,199.82 and 1,842,280.64 is: 2,542,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,357.26 : 4,321,199.82 = 1,842,280.64 : x
  2. Step 2: Convert to fraction form
    3,131,357.26/4,321,199.82 = 1,842,280.64/x
  3. Step 3: Cross multiply
    3,131,357.26x = 4,321,199.82 × 1,842,280.64
  4. Step 4: Simplify right side
    3,131,357.26x = 7,960,862,769,957.49
  5. Step 5: Solve for x
    x = 7,960,862,769,957.49/3,131,357.26
  6. Step 6: Final answer
    x = 2,542,304.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.