Home / 2,720,943.89-4,082,006.32-827,636.12

Finding the Fourth Proportional to 2,720,943.89, 4,082,006.32 and 827,636.12

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Solution

The fourth proportional to 2,720,943.89, 4,082,006.32 and 827,636.12 is: 1,241,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,943.89 : 4,082,006.32 = 827,636.12 : x
  2. Step 2: Convert to fraction form
    2,720,943.89/4,082,006.32 = 827,636.12/x
  3. Step 3: Cross multiply
    2,720,943.89x = 4,082,006.32 × 827,636.12
  4. Step 4: Simplify right side
    2,720,943.89x = 3,378,415,851,269.14
  5. Step 5: Solve for x
    x = 3,378,415,851,269.14/2,720,943.89
  6. Step 6: Final answer
    x = 1,241,633.78

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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.