Home / 2,198,918.30-3,293,887.20-1,131,718.32

Finding the Fourth Proportional to 2,198,918.30, 3,293,887.20 and 1,131,718.32

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Solution

The fourth proportional to 2,198,918.30, 3,293,887.20 and 1,131,718.32 is: 1,695,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,918.30 : 3,293,887.20 = 1,131,718.32 : x
  2. Step 2: Convert to fraction form
    2,198,918.30/3,293,887.20 = 1,131,718.32/x
  3. Step 3: Cross multiply
    2,198,918.30x = 3,293,887.20 × 1,131,718.32
  4. Step 4: Simplify right side
    2,198,918.30x = 3,727,752,488,253.50
  5. Step 5: Solve for x
    x = 3,727,752,488,253.50/2,198,918.30
  6. Step 6: Final answer
    x = 1,695,266.48

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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.