Home / 3,929,348.42-5,419,577.88-3,469,651.94

Finding the Fourth Proportional to 3,929,348.42, 5,419,577.88 and 3,469,651.94

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Solution

The fourth proportional to 3,929,348.42, 5,419,577.88 and 3,469,651.94 is: 4,785,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,348.42 : 5,419,577.88 = 3,469,651.94 : x
  2. Step 2: Convert to fraction form
    3,929,348.42/5,419,577.88 = 3,469,651.94/x
  3. Step 3: Cross multiply
    3,929,348.42x = 5,419,577.88 × 3,469,651.94
  4. Step 4: Simplify right side
    3,929,348.42x = 18,804,048,905,323.09
  5. Step 5: Solve for x
    x = 18,804,048,905,323.09/3,929,348.42
  6. Step 6: Final answer
    x = 4,785,538.69

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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.