Home / 3,609,469.80-5,414,982.30-1,085,380.20

Finding the Fourth Proportional to 3,609,469.80, 5,414,982.30 and 1,085,380.20

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Solution

The fourth proportional to 3,609,469.80, 5,414,982.30 and 1,085,380.20 is: 1,628,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,469.80 : 5,414,982.30 = 1,085,380.20 : x
  2. Step 2: Convert to fraction form
    3,609,469.80/5,414,982.30 = 1,085,380.20/x
  3. Step 3: Cross multiply
    3,609,469.80x = 5,414,982.30 × 1,085,380.20
  4. Step 4: Simplify right side
    3,609,469.80x = 5,877,314,571,770.46
  5. Step 5: Solve for x
    x = 5,877,314,571,770.46/3,609,469.80
  6. Step 6: Final answer
    x = 1,628,304.13

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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.