Home / 2,726,407.38-4,090,441.68-1,288,195.18

Finding the Fourth Proportional to 2,726,407.38, 4,090,441.68 and 1,288,195.18

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Solution

The fourth proportional to 2,726,407.38, 4,090,441.68 and 1,288,195.18 is: 1,932,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,407.38 : 4,090,441.68 = 1,288,195.18 : x
  2. Step 2: Convert to fraction form
    2,726,407.38/4,090,441.68 = 1,288,195.18/x
  3. Step 3: Cross multiply
    2,726,407.38x = 4,090,441.68 × 1,288,195.18
  4. Step 4: Simplify right side
    2,726,407.38x = 5,269,287,246,021.00
  5. Step 5: Solve for x
    x = 5,269,287,246,021.00/2,726,407.38
  6. Step 6: Final answer
    x = 1,932,685.22

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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.