Home / 3,921,610.77-5,411,954.12-2,179,353.59

Finding the Fourth Proportional to 3,921,610.77, 5,411,954.12 and 2,179,353.59

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Solution

The fourth proportional to 3,921,610.77, 5,411,954.12 and 2,179,353.59 is: 3,007,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,610.77 : 5,411,954.12 = 2,179,353.59 : x
  2. Step 2: Convert to fraction form
    3,921,610.77/5,411,954.12 = 2,179,353.59/x
  3. Step 3: Cross multiply
    3,921,610.77x = 5,411,954.12 × 2,179,353.59
  4. Step 4: Simplify right side
    3,921,610.77x = 11,794,561,613,277.52
  5. Step 5: Solve for x
    x = 11,794,561,613,277.52/3,921,610.77
  6. Step 6: Final answer
    x = 3,007,580.89

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Double scale
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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.