Home / 2,420,855.20-3,631,801.20-738,128.80

Finding the Fourth Proportional to 2,420,855.20, 3,631,801.20 and 738,128.80

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Solution

The fourth proportional to 2,420,855.20, 3,631,801.20 and 738,128.80 is: 1,107,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,855.20 : 3,631,801.20 = 738,128.80 : x
  2. Step 2: Convert to fraction form
    2,420,855.20/3,631,801.20 = 738,128.80/x
  3. Step 3: Cross multiply
    2,420,855.20x = 3,631,801.20 × 738,128.80
  4. Step 4: Simplify right side
    2,420,855.20x = 2,680,737,061,594.56
  5. Step 5: Solve for x
    x = 2,680,737,061,594.56/2,420,855.20
  6. Step 6: Final answer
    x = 1,107,351.26

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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.