Home / 3,889,850.80-5,363,003.86-3,189,551.53

Finding the Fourth Proportional to 3,889,850.80, 5,363,003.86 and 3,189,551.53

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Solution

The fourth proportional to 3,889,850.80, 5,363,003.86 and 3,189,551.53 is: 4,397,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,850.80 : 5,363,003.86 = 3,189,551.53 : x
  2. Step 2: Convert to fraction form
    3,889,850.80/5,363,003.86 = 3,189,551.53/x
  3. Step 3: Cross multiply
    3,889,850.80x = 5,363,003.86 × 3,189,551.53
  4. Step 4: Simplify right side
    3,889,850.80x = 17,105,577,183,730.01
  5. Step 5: Solve for x
    x = 17,105,577,183,730.01/3,889,850.80
  6. Step 6: Final answer
    x = 4,397,489.28

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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.