Home / 2,558,721.72-3,531,053.08-1,397,176.05

Finding the Fourth Proportional to 2,558,721.72, 3,531,053.08 and 1,397,176.05

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Solution

The fourth proportional to 2,558,721.72, 3,531,053.08 and 1,397,176.05 is: 1,928,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,721.72 : 3,531,053.08 = 1,397,176.05 : x
  2. Step 2: Convert to fraction form
    2,558,721.72/3,531,053.08 = 1,397,176.05/x
  3. Step 3: Cross multiply
    2,558,721.72x = 3,531,053.08 × 1,397,176.05
  4. Step 4: Simplify right side
    2,558,721.72x = 4,933,502,794,654.73
  5. Step 5: Solve for x
    x = 4,933,502,794,654.73/2,558,721.72
  6. Step 6: Final answer
    x = 1,928,112.29

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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.