Home / 4,815,286.21-7,223,183.30-1,221,084.25

Finding the Fourth Proportional to 4,815,286.21, 7,223,183.30 and 1,221,084.25

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Solution

The fourth proportional to 4,815,286.21, 7,223,183.30 and 1,221,084.25 is: 1,831,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,286.21 : 7,223,183.30 = 1,221,084.25 : x
  2. Step 2: Convert to fraction form
    4,815,286.21/7,223,183.30 = 1,221,084.25/x
  3. Step 3: Cross multiply
    4,815,286.21x = 7,223,183.30 × 1,221,084.25
  4. Step 4: Simplify right side
    4,815,286.21x = 8,820,115,347,487.78
  5. Step 5: Solve for x
    x = 8,820,115,347,487.78/4,815,286.21
  6. Step 6: Final answer
    x = 1,831,690.78

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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.