Home / 2,810,589.38-4,215,869.97-680,673.44

Finding the Fourth Proportional to 2,810,589.38, 4,215,869.97 and 680,673.44

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Solution

The fourth proportional to 2,810,589.38, 4,215,869.97 and 680,673.44 is: 1,021,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,589.38 : 4,215,869.97 = 680,673.44 : x
  2. Step 2: Convert to fraction form
    2,810,589.38/4,215,869.97 = 680,673.44/x
  3. Step 3: Cross multiply
    2,810,589.38x = 4,215,869.97 × 680,673.44
  4. Step 4: Simplify right side
    2,810,589.38x = 2,869,630,715,072.60
  5. Step 5: Solve for x
    x = 2,869,630,715,072.60/2,810,589.38
  6. Step 6: Final answer
    x = 1,021,006.75

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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.