Home / 4,986,126.72-7,479,189.62-1,199,609.60

Finding the Fourth Proportional to 4,986,126.72, 7,479,189.62 and 1,199,609.60

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Solution

The fourth proportional to 4,986,126.72, 7,479,189.62 and 1,199,609.60 is: 1,799,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,126.72 : 7,479,189.62 = 1,199,609.60 : x
  2. Step 2: Convert to fraction form
    4,986,126.72/7,479,189.62 = 1,199,609.60/x
  3. Step 3: Cross multiply
    4,986,126.72x = 7,479,189.62 × 1,199,609.60
  4. Step 4: Simplify right side
    4,986,126.72x = 8,972,107,636,224.70
  5. Step 5: Solve for x
    x = 8,972,107,636,224.70/4,986,126.72
  6. Step 6: Final answer
    x = 1,799,414.28

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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.