Home / 3,179,254.26-4,385,147.01-2,091,178.02

Finding the Fourth Proportional to 3,179,254.26, 4,385,147.01 and 2,091,178.02

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Solution

The fourth proportional to 3,179,254.26, 4,385,147.01 and 2,091,178.02 is: 2,884,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,254.26 : 4,385,147.01 = 2,091,178.02 : x
  2. Step 2: Convert to fraction form
    3,179,254.26/4,385,147.01 = 2,091,178.02/x
  3. Step 3: Cross multiply
    3,179,254.26x = 4,385,147.01 × 2,091,178.02
  4. Step 4: Simplify right side
    3,179,254.26x = 9,170,123,041,780.72
  5. Step 5: Solve for x
    x = 9,170,123,041,780.72/3,179,254.26
  6. Step 6: Final answer
    x = 2,884,362.90

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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.