Home / 2,720,339.80-4,080,509.70-827,078.20

Finding the Fourth Proportional to 2,720,339.80, 4,080,509.70 and 827,078.20

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Solution

The fourth proportional to 2,720,339.80, 4,080,509.70 and 827,078.20 is: 1,240,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,339.80 : 4,080,509.70 = 827,078.20 : x
  2. Step 2: Convert to fraction form
    2,720,339.80/4,080,509.70 = 827,078.20/x
  3. Step 3: Cross multiply
    2,720,339.80x = 4,080,509.70 × 827,078.20
  4. Step 4: Simplify right side
    2,720,339.80x = 3,374,900,617,758.54
  5. Step 5: Solve for x
    x = 3,374,900,617,758.54/2,720,339.80
  6. Step 6: Final answer
    x = 1,240,617.30

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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.