Home / 2,728,515.20-4,092,772.80-835,260.80

Finding the Fourth Proportional to 2,728,515.20, 4,092,772.80 and 835,260.80

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Solution

The fourth proportional to 2,728,515.20, 4,092,772.80 and 835,260.80 is: 1,252,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,515.20 : 4,092,772.80 = 835,260.80 : x
  2. Step 2: Convert to fraction form
    2,728,515.20/4,092,772.80 = 835,260.80/x
  3. Step 3: Cross multiply
    2,728,515.20x = 4,092,772.80 × 835,260.80
  4. Step 4: Simplify right side
    2,728,515.20x = 3,418,532,683,146.24
  5. Step 5: Solve for x
    x = 3,418,532,683,146.24/2,728,515.20
  6. Step 6: Final answer
    x = 1,252,891.20

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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.