Home / 2,215,213.20-3,057,058.26-1,248,290.28

Finding the Fourth Proportional to 2,215,213.20, 3,057,058.26 and 1,248,290.28

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Solution

The fourth proportional to 2,215,213.20, 3,057,058.26 and 1,248,290.28 is: 1,722,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,213.20 : 3,057,058.26 = 1,248,290.28 : x
  2. Step 2: Convert to fraction form
    2,215,213.20/3,057,058.26 = 1,248,290.28/x
  3. Step 3: Cross multiply
    2,215,213.20x = 3,057,058.26 × 1,248,290.28
  4. Step 4: Simplify right side
    2,215,213.20x = 3,816,096,111,351.71
  5. Step 5: Solve for x
    x = 3,816,096,111,351.71/2,215,213.20
  6. Step 6: Final answer
    x = 1,722,676.68

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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.