Home / 2,305,878.20-3,458,817.30-978,774.20

Finding the Fourth Proportional to 2,305,878.20, 3,458,817.30 and 978,774.20

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Solution

The fourth proportional to 2,305,878.20, 3,458,817.30 and 978,774.20 is: 1,468,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,878.20 : 3,458,817.30 = 978,774.20 : x
  2. Step 2: Convert to fraction form
    2,305,878.20/3,458,817.30 = 978,774.20/x
  3. Step 3: Cross multiply
    2,305,878.20x = 3,458,817.30 × 978,774.20
  4. Step 4: Simplify right side
    2,305,878.20x = 3,385,401,135,753.66
  5. Step 5: Solve for x
    x = 3,385,401,135,753.66/2,305,878.20
  6. Step 6: Final answer
    x = 1,468,161.30

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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.