Home / 2,720,416.80-4,080,625.20-827,155.20

Finding the Fourth Proportional to 2,720,416.80, 4,080,625.20 and 827,155.20

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Solution

The fourth proportional to 2,720,416.80, 4,080,625.20 and 827,155.20 is: 1,240,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,416.80 : 4,080,625.20 = 827,155.20 : x
  2. Step 2: Convert to fraction form
    2,720,416.80/4,080,625.20 = 827,155.20/x
  3. Step 3: Cross multiply
    2,720,416.80x = 4,080,625.20 × 827,155.20
  4. Step 4: Simplify right side
    2,720,416.80x = 3,375,310,353,431.04
  5. Step 5: Solve for x
    x = 3,375,310,353,431.04/2,720,416.80
  6. Step 6: Final answer
    x = 1,240,732.80

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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.