Home / 3,899,236.86-5,382,301.77-2,679,580.98

Finding the Fourth Proportional to 3,899,236.86, 5,382,301.77 and 2,679,580.98

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Solution

The fourth proportional to 3,899,236.86, 5,382,301.77 and 2,679,580.98 is: 3,698,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,236.86 : 5,382,301.77 = 2,679,580.98 : x
  2. Step 2: Convert to fraction form
    3,899,236.86/5,382,301.77 = 2,679,580.98/x
  3. Step 3: Cross multiply
    3,899,236.86x = 5,382,301.77 × 2,679,580.98
  4. Step 4: Simplify right side
    3,899,236.86x = 14,422,313,451,512.33
  5. Step 5: Solve for x
    x = 14,422,313,451,512.33/3,899,236.86
  6. Step 6: Final answer
    x = 3,698,752.85

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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.