Home / 5,218,629.28-7,201,766.88-2,895,563.84

Finding the Fourth Proportional to 5,218,629.28, 7,201,766.88 and 2,895,563.84

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Solution

The fourth proportional to 5,218,629.28, 7,201,766.88 and 2,895,563.84 is: 3,995,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,629.28 : 7,201,766.88 = 2,895,563.84 : x
  2. Step 2: Convert to fraction form
    5,218,629.28/7,201,766.88 = 2,895,563.84/x
  3. Step 3: Cross multiply
    5,218,629.28x = 7,201,766.88 × 2,895,563.84
  4. Step 4: Simplify right side
    5,218,629.28x = 20,853,175,761,837.62
  5. Step 5: Solve for x
    x = 20,853,175,761,837.62/5,218,629.28
  6. Step 6: Final answer
    x = 3,995,910.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.