Home / 2,305,909.20-3,458,863.80-978,805.20

Finding the Fourth Proportional to 2,305,909.20, 3,458,863.80 and 978,805.20

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Solution

The fourth proportional to 2,305,909.20, 3,458,863.80 and 978,805.20 is: 1,468,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,909.20 : 3,458,863.80 = 978,805.20 : x
  2. Step 2: Convert to fraction form
    2,305,909.20/3,458,863.80 = 978,805.20/x
  3. Step 3: Cross multiply
    2,305,909.20x = 3,458,863.80 × 978,805.20
  4. Step 4: Simplify right side
    2,305,909.20x = 3,385,553,873,531.76
  5. Step 5: Solve for x
    x = 3,385,553,873,531.76/2,305,909.20
  6. Step 6: Final answer
    x = 1,468,207.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.