Home / 2,720,378.65-4,080,796.41-827,136.49

Finding the Fourth Proportional to 2,720,378.65, 4,080,796.41 and 827,136.49

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Solution

The fourth proportional to 2,720,378.65, 4,080,796.41 and 827,136.49 is: 1,240,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,378.65 : 4,080,796.41 = 827,136.49 : x
  2. Step 2: Convert to fraction form
    2,720,378.65/4,080,796.41 = 827,136.49/x
  3. Step 3: Cross multiply
    2,720,378.65x = 4,080,796.41 × 827,136.49
  4. Step 4: Simplify right side
    2,720,378.65x = 3,375,375,618,972.00
  5. Step 5: Solve for x
    x = 3,375,375,618,972.00/2,720,378.65
  6. Step 6: Final answer
    x = 1,240,774.19

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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.