Home / 3,171,731.16-4,376,993.33-1,721,426.61

Finding the Fourth Proportional to 3,171,731.16, 4,376,993.33 and 1,721,426.61

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Solution

The fourth proportional to 3,171,731.16, 4,376,993.33 and 1,721,426.61 is: 2,375,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,731.16 : 4,376,993.33 = 1,721,426.61 : x
  2. Step 2: Convert to fraction form
    3,171,731.16/4,376,993.33 = 1,721,426.61/x
  3. Step 3: Cross multiply
    3,171,731.16x = 4,376,993.33 × 1,721,426.61
  4. Step 4: Simplify right side
    3,171,731.16x = 7,534,672,781,447.38
  5. Step 5: Solve for x
    x = 7,534,672,781,447.38/3,171,731.16
  6. Step 6: Final answer
    x = 2,375,571.07

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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.