Home / 2,208,832.80-3,314,998.80-861,640.80

Finding the Fourth Proportional to 2,208,832.80, 3,314,998.80 and 861,640.80

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Solution

The fourth proportional to 2,208,832.80, 3,314,998.80 and 861,640.80 is: 1,293,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,832.80 : 3,314,998.80 = 861,640.80 : x
  2. Step 2: Convert to fraction form
    2,208,832.80/3,314,998.80 = 861,640.80/x
  3. Step 3: Cross multiply
    2,208,832.80x = 3,314,998.80 × 861,640.80
  4. Step 4: Simplify right side
    2,208,832.80x = 2,856,338,218,031.04
  5. Step 5: Solve for x
    x = 2,856,338,218,031.04/2,208,832.80
  6. Step 6: Final answer
    x = 1,293,143.70

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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.