Home / 3,612,891.06-5,419,339.02-917,418.42

Finding the Fourth Proportional to 3,612,891.06, 5,419,339.02 and 917,418.42

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Solution

The fourth proportional to 3,612,891.06, 5,419,339.02 and 917,418.42 is: 1,376,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,891.06 : 5,419,339.02 = 917,418.42 : x
  2. Step 2: Convert to fraction form
    3,612,891.06/5,419,339.02 = 917,418.42/x
  3. Step 3: Cross multiply
    3,612,891.06x = 5,419,339.02 × 917,418.42
  4. Step 4: Simplify right side
    3,612,891.06x = 4,971,801,441,172.75
  5. Step 5: Solve for x
    x = 4,971,801,441,172.75/3,612,891.06
  6. Step 6: Final answer
    x = 1,376,128.25

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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.