Home / 3,858,238.80-5,324,110.02-2,139,295.68

Finding the Fourth Proportional to 3,858,238.80, 5,324,110.02 and 2,139,295.68

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Solution

The fourth proportional to 3,858,238.80, 5,324,110.02 and 2,139,295.68 is: 2,952,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,238.80 : 5,324,110.02 = 2,139,295.68 : x
  2. Step 2: Convert to fraction form
    3,858,238.80/5,324,110.02 = 2,139,295.68/x
  3. Step 3: Cross multiply
    3,858,238.80x = 5,324,110.02 × 2,139,295.68
  4. Step 4: Simplify right side
    3,858,238.80x = 11,389,845,565,630.71
  5. Step 5: Solve for x
    x = 11,389,845,565,630.71/3,858,238.80
  6. Step 6: Final answer
    x = 2,952,084.14

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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.