Home / 3,188,843.49-4,781,857.97-913,851.57

Finding the Fourth Proportional to 3,188,843.49, 4,781,857.97 and 913,851.57

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Solution

The fourth proportional to 3,188,843.49, 4,781,857.97 and 913,851.57 is: 1,370,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,843.49 : 4,781,857.97 = 913,851.57 : x
  2. Step 2: Convert to fraction form
    3,188,843.49/4,781,857.97 = 913,851.57/x
  3. Step 3: Cross multiply
    3,188,843.49x = 4,781,857.97 × 913,851.57
  4. Step 4: Simplify right side
    3,188,843.49x = 4,369,908,408,832.26
  5. Step 5: Solve for x
    x = 4,369,908,408,832.26/3,188,843.49
  6. Step 6: Final answer
    x = 1,370,374.06

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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.