Home / 2,188,229.49-3,279,583.20-1,109,013.21

Finding the Fourth Proportional to 2,188,229.49, 3,279,583.20 and 1,109,013.21

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Solution

The fourth proportional to 2,188,229.49, 3,279,583.20 and 1,109,013.21 is: 1,662,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,229.49 : 3,279,583.20 = 1,109,013.21 : x
  2. Step 2: Convert to fraction form
    2,188,229.49/3,279,583.20 = 1,109,013.21/x
  3. Step 3: Cross multiply
    2,188,229.49x = 3,279,583.20 × 1,109,013.21
  4. Step 4: Simplify right side
    2,188,229.49x = 3,637,101,092,094.07
  5. Step 5: Solve for x
    x = 3,637,101,092,094.07/2,188,229.49
  6. Step 6: Final answer
    x = 1,662,120.50

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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.