Home / 3,102,414.80-4,656,246.60-1,399,179.20

Finding the Fourth Proportional to 3,102,414.80, 4,656,246.60 and 1,399,179.20

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Solution

The fourth proportional to 3,102,414.80, 4,656,246.60 and 1,399,179.20 is: 2,099,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,414.80 : 4,656,246.60 = 1,399,179.20 : x
  2. Step 2: Convert to fraction form
    3,102,414.80/4,656,246.60 = 1,399,179.20/x
  3. Step 3: Cross multiply
    3,102,414.80x = 4,656,246.60 × 1,399,179.20
  4. Step 4: Simplify right side
    3,102,414.80x = 6,514,923,392,790.72
  5. Step 5: Solve for x
    x = 6,514,923,392,790.72/3,102,414.80
  6. Step 6: Final answer
    x = 2,099,952.40

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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.