Home / 2,747,869.72-4,121,815.11-1,149,311.43

Finding the Fourth Proportional to 2,747,869.72, 4,121,815.11 and 1,149,311.43

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Solution

The fourth proportional to 2,747,869.72, 4,121,815.11 and 1,149,311.43 is: 1,723,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747,869.72 : 4,121,815.11 = 1,149,311.43 : x
  2. Step 2: Convert to fraction form
    2,747,869.72/4,121,815.11 = 1,149,311.43/x
  3. Step 3: Cross multiply
    2,747,869.72x = 4,121,815.11 × 1,149,311.43
  4. Step 4: Simplify right side
    2,747,869.72x = 4,737,249,213,959.79
  5. Step 5: Solve for x
    x = 4,737,249,213,959.79/2,747,869.72
  6. Step 6: Final answer
    x = 1,723,971.55

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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.