Home / 3,918,059.16-5,406,625.17-2,198,847.53

Finding the Fourth Proportional to 3,918,059.16, 5,406,625.17 and 2,198,847.53

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Solution

The fourth proportional to 3,918,059.16, 5,406,625.17 and 2,198,847.53 is: 3,034,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,059.16 : 5,406,625.17 = 2,198,847.53 : x
  2. Step 2: Convert to fraction form
    3,918,059.16/5,406,625.17 = 2,198,847.53/x
  3. Step 3: Cross multiply
    3,918,059.16x = 5,406,625.17 × 2,198,847.53
  4. Step 4: Simplify right side
    3,918,059.16x = 11,888,344,373,657.20
  5. Step 5: Solve for x
    x = 11,888,344,373,657.20/3,918,059.16
  6. Step 6: Final answer
    x = 3,034,243.20

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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.