Home / 3,287,243.25-4,930,864.88-891,087.89

Finding the Fourth Proportional to 3,287,243.25, 4,930,864.88 and 891,087.89

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Solution

The fourth proportional to 3,287,243.25, 4,930,864.88 and 891,087.89 is: 1,336,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,243.25 : 4,930,864.88 = 891,087.89 : x
  2. Step 2: Convert to fraction form
    3,287,243.25/4,930,864.88 = 891,087.89/x
  3. Step 3: Cross multiply
    3,287,243.25x = 4,930,864.88 × 891,087.89
  4. Step 4: Simplify right side
    3,287,243.25x = 4,393,833,952,684.54
  5. Step 5: Solve for x
    x = 4,393,833,952,684.54/3,287,243.25
  6. Step 6: Final answer
    x = 1,336,631.83

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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.