Home / 2,280,245.80-3,418,230.30-861,255.40

Finding the Fourth Proportional to 2,280,245.80, 3,418,230.30 and 861,255.40

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Solution

The fourth proportional to 2,280,245.80, 3,418,230.30 and 861,255.40 is: 1,291,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,245.80 : 3,418,230.30 = 861,255.40 : x
  2. Step 2: Convert to fraction form
    2,280,245.80/3,418,230.30 = 861,255.40/x
  3. Step 3: Cross multiply
    2,280,245.80x = 3,418,230.30 × 861,255.40
  4. Step 4: Simplify right side
    2,280,245.80x = 2,943,969,304,318.62
  5. Step 5: Solve for x
    x = 2,943,969,304,318.62/2,280,245.80
  6. Step 6: Final answer
    x = 1,291,075.42

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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.