Home / 3,897,924.48-5,379,175.68-2,179,140.48

Finding the Fourth Proportional to 3,897,924.48, 5,379,175.68 and 2,179,140.48

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Solution

The fourth proportional to 3,897,924.48, 5,379,175.68 and 2,179,140.48 is: 3,007,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,924.48 : 5,379,175.68 = 2,179,140.48 : x
  2. Step 2: Convert to fraction form
    3,897,924.48/5,379,175.68 = 2,179,140.48/x
  3. Step 3: Cross multiply
    3,897,924.48x = 5,379,175.68 × 2,179,140.48
  4. Step 4: Simplify right side
    3,897,924.48x = 11,721,979,473,319.53
  5. Step 5: Solve for x
    x = 11,721,979,473,319.53/3,897,924.48
  6. Step 6: Final answer
    x = 3,007,236.17

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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.