Home / 3,438,139.10-5,146,711.05-2,682,311.90

Finding the Fourth Proportional to 3,438,139.10, 5,146,711.05 and 2,682,311.90

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Solution

The fourth proportional to 3,438,139.10, 5,146,711.05 and 2,682,311.90 is: 4,015,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,139.10 : 5,146,711.05 = 2,682,311.90 : x
  2. Step 2: Convert to fraction form
    3,438,139.10/5,146,711.05 = 2,682,311.90/x
  3. Step 3: Cross multiply
    3,438,139.10x = 5,146,711.05 × 2,682,311.90
  4. Step 4: Simplify right side
    3,438,139.10x = 13,805,084,295,276.49
  5. Step 5: Solve for x
    x = 13,805,084,295,276.49/3,438,139.10
  6. Step 6: Final answer
    x = 4,015,278.00

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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.