Home / 2,215,248.21-3,058,063.07-1,297,349.73

Finding the Fourth Proportional to 2,215,248.21, 3,058,063.07 and 1,297,349.73

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Solution

The fourth proportional to 2,215,248.21, 3,058,063.07 and 1,297,349.73 is: 1,790,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,248.21 : 3,058,063.07 = 1,297,349.73 : x
  2. Step 2: Convert to fraction form
    2,215,248.21/3,058,063.07 = 1,297,349.73/x
  3. Step 3: Cross multiply
    2,215,248.21x = 3,058,063.07 × 1,297,349.73
  4. Step 4: Simplify right side
    2,215,248.21x = 3,967,377,291,700.72
  5. Step 5: Solve for x
    x = 3,967,377,291,700.72/2,215,248.21
  6. Step 6: Final answer
    x = 1,790,940.30

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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.