Home / 2,987,414.27-4,481,114.57-1,280,450.75

Finding the Fourth Proportional to 2,987,414.27, 4,481,114.57 and 1,280,450.75

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Solution

The fourth proportional to 2,987,414.27, 4,481,114.57 and 1,280,450.75 is: 1,920,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,414.27 : 4,481,114.57 = 1,280,450.75 : x
  2. Step 2: Convert to fraction form
    2,987,414.27/4,481,114.57 = 1,280,450.75/x
  3. Step 3: Cross multiply
    2,987,414.27x = 4,481,114.57 × 1,280,450.75
  4. Step 4: Simplify right side
    2,987,414.27x = 5,737,846,483,184.60
  5. Step 5: Solve for x
    x = 5,737,846,483,184.60/2,987,414.27
  6. Step 6: Final answer
    x = 1,920,673.18

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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.