Home / 2,132,549.38-2,942,917.92-1,165,683.52

Finding the Fourth Proportional to 2,132,549.38, 2,942,917.92 and 1,165,683.52

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Solution

The fourth proportional to 2,132,549.38, 2,942,917.92 and 1,165,683.52 is: 1,608,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,549.38 : 2,942,917.92 = 1,165,683.52 : x
  2. Step 2: Convert to fraction form
    2,132,549.38/2,942,917.92 = 1,165,683.52/x
  3. Step 3: Cross multiply
    2,132,549.38x = 2,942,917.92 × 1,165,683.52
  4. Step 4: Simplify right side
    2,132,549.38x = 3,430,510,920,056.68
  5. Step 5: Solve for x
    x = 3,430,510,920,056.68/2,132,549.38
  6. Step 6: Final answer
    x = 1,608,643.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.