Home / 3,936,542.60-5,431,770.96-2,193,831.38

Finding the Fourth Proportional to 3,936,542.60, 5,431,770.96 and 2,193,831.38

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Solution

The fourth proportional to 3,936,542.60, 5,431,770.96 and 2,193,831.38 is: 3,027,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,542.60 : 5,431,770.96 = 2,193,831.38 : x
  2. Step 2: Convert to fraction form
    3,936,542.60/5,431,770.96 = 2,193,831.38/x
  3. Step 3: Cross multiply
    3,936,542.60x = 5,431,770.96 × 2,193,831.38
  4. Step 4: Simplify right side
    3,936,542.60x = 11,916,389,581,020.72
  5. Step 5: Solve for x
    x = 11,916,389,581,020.72/3,936,542.60
  6. Step 6: Final answer
    x = 3,027,120.70

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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.