Home / 3,286,201.80-4,921,008.30-2,158,163.40

Finding the Fourth Proportional to 3,286,201.80, 4,921,008.30 and 2,158,163.40

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Solution

The fourth proportional to 3,286,201.80, 4,921,008.30 and 2,158,163.40 is: 3,231,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,201.80 : 4,921,008.30 = 2,158,163.40 : x
  2. Step 2: Convert to fraction form
    3,286,201.80/4,921,008.30 = 2,158,163.40/x
  3. Step 3: Cross multiply
    3,286,201.80x = 4,921,008.30 × 2,158,163.40
  4. Step 4: Simplify right side
    3,286,201.80x = 10,620,340,004,156.22
  5. Step 5: Solve for x
    x = 10,620,340,004,156.22/3,286,201.80
  6. Step 6: Final answer
    x = 3,231,797.88

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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.