Home / 2,728,812.20-4,093,218.30-1,665,930.20

Finding the Fourth Proportional to 2,728,812.20, 4,093,218.30 and 1,665,930.20

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Solution

The fourth proportional to 2,728,812.20, 4,093,218.30 and 1,665,930.20 is: 2,498,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,812.20 : 4,093,218.30 = 1,665,930.20 : x
  2. Step 2: Convert to fraction form
    2,728,812.20/4,093,218.30 = 1,665,930.20/x
  3. Step 3: Cross multiply
    2,728,812.20x = 4,093,218.30 × 1,665,930.20
  4. Step 4: Simplify right side
    2,728,812.20x = 6,819,015,981,162.66
  5. Step 5: Solve for x
    x = 6,819,015,981,162.66/2,728,812.20
  6. Step 6: Final answer
    x = 2,498,895.30

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Double scale
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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.