Home / 3,868,663.89-5,338,811.66-2,126,494.61

Finding the Fourth Proportional to 3,868,663.89, 5,338,811.66 and 2,126,494.61

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Solution

The fourth proportional to 3,868,663.89, 5,338,811.66 and 2,126,494.61 is: 2,934,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,663.89 : 5,338,811.66 = 2,126,494.61 : x
  2. Step 2: Convert to fraction form
    3,868,663.89/5,338,811.66 = 2,126,494.61/x
  3. Step 3: Cross multiply
    3,868,663.89x = 5,338,811.66 × 2,126,494.61
  4. Step 4: Simplify right side
    3,868,663.89x = 11,352,954,181,468.62
  5. Step 5: Solve for x
    x = 11,352,954,181,468.62/3,868,663.89
  6. Step 6: Final answer
    x = 2,934,593.05

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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.