Home / 2,138,025.52-3,206,637.33-1,072,781.56

Finding the Fourth Proportional to 2,138,025.52, 3,206,637.33 and 1,072,781.56

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Solution

The fourth proportional to 2,138,025.52, 3,206,637.33 and 1,072,781.56 is: 1,608,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,025.52 : 3,206,637.33 = 1,072,781.56 : x
  2. Step 2: Convert to fraction form
    2,138,025.52/3,206,637.33 = 1,072,781.56/x
  3. Step 3: Cross multiply
    2,138,025.52x = 3,206,637.33 × 1,072,781.56
  4. Step 4: Simplify right side
    2,138,025.52x = 3,440,021,397,231.64
  5. Step 5: Solve for x
    x = 3,440,021,397,231.64/2,138,025.52
  6. Step 6: Final answer
    x = 1,608,971.16

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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.