Home / 3,899,887.86-5,383,197.98-2,680,230.76

Finding the Fourth Proportional to 3,899,887.86, 5,383,197.98 and 2,680,230.76

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Solution

The fourth proportional to 3,899,887.86, 5,383,197.98 and 2,680,230.76 is: 3,699,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,887.86 : 5,383,197.98 = 2,680,230.76 : x
  2. Step 2: Convert to fraction form
    3,899,887.86/5,383,197.98 = 2,680,230.76/x
  3. Step 3: Cross multiply
    3,899,887.86x = 5,383,197.98 × 2,680,230.76
  4. Step 4: Simplify right side
    3,899,887.86x = 14,428,212,799,764.71
  5. Step 5: Solve for x
    x = 14,428,212,799,764.71/3,899,887.86
  6. Step 6: Final answer
    x = 3,699,648.13

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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.