Home / 3,868,175.75-5,337,769.83-2,236,688.93

Finding the Fourth Proportional to 3,868,175.75, 5,337,769.83 and 2,236,688.93

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Solution

The fourth proportional to 3,868,175.75, 5,337,769.83 and 2,236,688.93 is: 3,086,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,175.75 : 5,337,769.83 = 2,236,688.93 : x
  2. Step 2: Convert to fraction form
    3,868,175.75/5,337,769.83 = 2,236,688.93/x
  3. Step 3: Cross multiply
    3,868,175.75x = 5,337,769.83 × 2,236,688.93
  4. Step 4: Simplify right side
    3,868,175.75x = 11,938,930,662,960.13
  5. Step 5: Solve for x
    x = 11,938,930,662,960.13/3,868,175.75
  6. Step 6: Final answer
    x = 3,086,449.91

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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.