Home / 3,659,171.76-5,049,729.99-2,131,377.30

Finding the Fourth Proportional to 3,659,171.76, 5,049,729.99 and 2,131,377.30

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Solution

The fourth proportional to 3,659,171.76, 5,049,729.99 and 2,131,377.30 is: 2,941,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659,171.76 : 5,049,729.99 = 2,131,377.30 : x
  2. Step 2: Convert to fraction form
    3,659,171.76/5,049,729.99 = 2,131,377.30/x
  3. Step 3: Cross multiply
    3,659,171.76x = 5,049,729.99 × 2,131,377.30
  4. Step 4: Simplify right side
    3,659,171.76x = 10,762,879,871,815.23
  5. Step 5: Solve for x
    x = 10,762,879,871,815.23/3,659,171.76
  6. Step 6: Final answer
    x = 2,941,343.17

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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.