Home / 3,222,870.20-4,834,305.30-978,716.60

Finding the Fourth Proportional to 3,222,870.20, 4,834,305.30 and 978,716.60

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Solution

The fourth proportional to 3,222,870.20, 4,834,305.30 and 978,716.60 is: 1,468,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222,870.20 : 4,834,305.30 = 978,716.60 : x
  2. Step 2: Convert to fraction form
    3,222,870.20/4,834,305.30 = 978,716.60/x
  3. Step 3: Cross multiply
    3,222,870.20x = 4,834,305.30 × 978,716.60
  4. Step 4: Simplify right side
    3,222,870.20x = 4,731,414,846,577.98
  5. Step 5: Solve for x
    x = 4,731,414,846,577.98/3,222,870.20
  6. Step 6: Final answer
    x = 1,468,074.90

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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.