Home / 2,728,136.80-4,092,205.20-930,422.80

Finding the Fourth Proportional to 2,728,136.80, 4,092,205.20 and 930,422.80

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Solution

The fourth proportional to 2,728,136.80, 4,092,205.20 and 930,422.80 is: 1,395,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,136.80 : 4,092,205.20 = 930,422.80 : x
  2. Step 2: Convert to fraction form
    2,728,136.80/4,092,205.20 = 930,422.80/x
  3. Step 3: Cross multiply
    2,728,136.80x = 4,092,205.20 × 930,422.80
  4. Step 4: Simplify right side
    2,728,136.80x = 3,807,481,020,358.56
  5. Step 5: Solve for x
    x = 3,807,481,020,358.56/2,728,136.80
  6. Step 6: Final answer
    x = 1,395,634.20

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Similar ratio
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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.