Home / 3,792,165.80-5,676,438.90-2,189,969.60

Finding the Fourth Proportional to 3,792,165.80, 5,676,438.90 and 2,189,969.60

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Solution

The fourth proportional to 3,792,165.80, 5,676,438.90 and 2,189,969.60 is: 3,278,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792,165.80 : 5,676,438.90 = 2,189,969.60 : x
  2. Step 2: Convert to fraction form
    3,792,165.80/5,676,438.90 = 2,189,969.60/x
  3. Step 3: Cross multiply
    3,792,165.80x = 5,676,438.90 × 2,189,969.60
  4. Step 4: Simplify right side
    3,792,165.80x = 12,431,228,627,257.44
  5. Step 5: Solve for x
    x = 12,431,228,627,257.44/3,792,165.80
  6. Step 6: Final answer
    x = 3,278,134.26

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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.