Home / 3,897,926.48-5,379,178.44-2,179,142.48

Finding the Fourth Proportional to 3,897,926.48, 5,379,178.44 and 2,179,142.48

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Solution

The fourth proportional to 3,897,926.48, 5,379,178.44 and 2,179,142.48 is: 3,007,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,926.48 : 5,379,178.44 = 2,179,142.48 : x
  2. Step 2: Convert to fraction form
    3,897,926.48/5,379,178.44 = 2,179,142.48/x
  3. Step 3: Cross multiply
    3,897,926.48x = 5,379,178.44 × 2,179,142.48
  4. Step 4: Simplify right side
    3,897,926.48x = 11,721,996,246,104.13
  5. Step 5: Solve for x
    x = 11,721,996,246,104.13/3,897,926.48
  6. Step 6: Final answer
    x = 3,007,238.93

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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.