Home / 3,921,610.09-5,411,953.19-2,179,352.92

Finding the Fourth Proportional to 3,921,610.09, 5,411,953.19 and 2,179,352.92

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Solution

The fourth proportional to 3,921,610.09, 5,411,953.19 and 2,179,352.92 is: 3,007,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,610.09 : 5,411,953.19 = 2,179,352.92 : x
  2. Step 2: Convert to fraction form
    3,921,610.09/5,411,953.19 = 2,179,352.92/x
  3. Step 3: Cross multiply
    3,921,610.09x = 5,411,953.19 × 2,179,352.92
  4. Step 4: Simplify right side
    3,921,610.09x = 11,794,555,962,115.75
  5. Step 5: Solve for x
    x = 11,794,555,962,115.75/3,921,610.09
  6. Step 6: Final answer
    x = 3,007,579.97

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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.