Home / 3,990,641.40-5,982,462.90-2,393,839.80

Finding the Fourth Proportional to 3,990,641.40, 5,982,462.90 and 2,393,839.80

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Solution

The fourth proportional to 3,990,641.40, 5,982,462.90 and 2,393,839.80 is: 3,588,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,641.40 : 5,982,462.90 = 2,393,839.80 : x
  2. Step 2: Convert to fraction form
    3,990,641.40/5,982,462.90 = 2,393,839.80/x
  3. Step 3: Cross multiply
    3,990,641.40x = 5,982,462.90 × 2,393,839.80
  4. Step 4: Simplify right side
    3,990,641.40x = 14,321,057,792,043.42
  5. Step 5: Solve for x
    x = 14,321,057,792,043.42/3,990,641.40
  6. Step 6: Final answer
    x = 3,588,660.66

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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.