Home / 3,932,149.44-5,426,020.26-2,189,687.16

Finding the Fourth Proportional to 3,932,149.44, 5,426,020.26 and 2,189,687.16

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Solution

The fourth proportional to 3,932,149.44, 5,426,020.26 and 2,189,687.16 is: 3,021,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,149.44 : 5,426,020.26 = 2,189,687.16 : x
  2. Step 2: Convert to fraction form
    3,932,149.44/5,426,020.26 = 2,189,687.16/x
  3. Step 3: Cross multiply
    3,932,149.44x = 5,426,020.26 × 2,189,687.16
  4. Step 4: Simplify right side
    3,932,149.44x = 11,881,286,893,221.86
  5. Step 5: Solve for x
    x = 11,881,286,893,221.86/3,932,149.44
  6. Step 6: Final answer
    x = 3,021,575.62

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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.