Home / 3,478,449.44-5,217,701.90-1,428,581.88

Finding the Fourth Proportional to 3,478,449.44, 5,217,701.90 and 1,428,581.88

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Solution

The fourth proportional to 3,478,449.44, 5,217,701.90 and 1,428,581.88 is: 2,142,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,449.44 : 5,217,701.90 = 1,428,581.88 : x
  2. Step 2: Convert to fraction form
    3,478,449.44/5,217,701.90 = 1,428,581.88/x
  3. Step 3: Cross multiply
    3,478,449.44x = 5,217,701.90 × 1,428,581.88
  4. Step 4: Simplify right side
    3,478,449.44x = 7,453,914,389,581.57
  5. Step 5: Solve for x
    x = 7,453,914,389,581.57/3,478,449.44
  6. Step 6: Final answer
    x = 2,142,884.21

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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.