Home / 3,286,878.66-4,930,318.05-890,723.22

Finding the Fourth Proportional to 3,286,878.66, 4,930,318.05 and 890,723.22

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Solution

The fourth proportional to 3,286,878.66, 4,930,318.05 and 890,723.22 is: 1,336,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,878.66 : 4,930,318.05 = 890,723.22 : x
  2. Step 2: Convert to fraction form
    3,286,878.66/4,930,318.05 = 890,723.22/x
  3. Step 3: Cross multiply
    3,286,878.66x = 4,930,318.05 × 890,723.22
  4. Step 4: Simplify right side
    3,286,878.66x = 4,391,548,769,120.12
  5. Step 5: Solve for x
    x = 4,391,548,769,120.12/3,286,878.66
  6. Step 6: Final answer
    x = 1,336,084.85

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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.