Home / 2,720,427.80-4,080,641.70-827,166.20

Finding the Fourth Proportional to 2,720,427.80, 4,080,641.70 and 827,166.20

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Solution

The fourth proportional to 2,720,427.80, 4,080,641.70 and 827,166.20 is: 1,240,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,427.80 : 4,080,641.70 = 827,166.20 : x
  2. Step 2: Convert to fraction form
    2,720,427.80/4,080,641.70 = 827,166.20/x
  3. Step 3: Cross multiply
    2,720,427.80x = 4,080,641.70 × 827,166.20
  4. Step 4: Simplify right side
    2,720,427.80x = 3,375,368,888,550.54
  5. Step 5: Solve for x
    x = 3,375,368,888,550.54/2,720,427.80
  6. Step 6: Final answer
    x = 1,240,749.30

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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.