Home / 2,821,447.88-3,895,212.06-1,857,380.69

Finding the Fourth Proportional to 2,821,447.88, 3,895,212.06 and 1,857,380.69

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Solution

The fourth proportional to 2,821,447.88, 3,895,212.06 and 1,857,380.69 is: 2,564,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,447.88 : 3,895,212.06 = 1,857,380.69 : x
  2. Step 2: Convert to fraction form
    2,821,447.88/3,895,212.06 = 1,857,380.69/x
  3. Step 3: Cross multiply
    2,821,447.88x = 3,895,212.06 × 1,857,380.69
  4. Step 4: Simplify right side
    2,821,447.88x = 7,234,891,663,699.12
  5. Step 5: Solve for x
    x = 7,234,891,663,699.12/2,821,447.88
  6. Step 6: Final answer
    x = 2,564,247.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.