Home / 2,279,396.43-3,145,644.79-1,299,480.37

Finding the Fourth Proportional to 2,279,396.43, 3,145,644.79 and 1,299,480.37

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Solution

The fourth proportional to 2,279,396.43, 3,145,644.79 and 1,299,480.37 is: 1,793,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,396.43 : 3,145,644.79 = 1,299,480.37 : x
  2. Step 2: Convert to fraction form
    2,279,396.43/3,145,644.79 = 1,299,480.37/x
  3. Step 3: Cross multiply
    2,279,396.43x = 3,145,644.79 × 1,299,480.37
  4. Step 4: Simplify right side
    2,279,396.43x = 4,087,703,644,484.96
  5. Step 5: Solve for x
    x = 4,087,703,644,484.96/2,279,396.43
  6. Step 6: Final answer
    x = 1,793,327.21

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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.