Home / 3,679,979.64-5,520,569.07-1,086,546.57

Finding the Fourth Proportional to 3,679,979.64, 5,520,569.07 and 1,086,546.57

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Solution

The fourth proportional to 3,679,979.64, 5,520,569.07 and 1,086,546.57 is: 1,629,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,979.64 : 5,520,569.07 = 1,086,546.57 : x
  2. Step 2: Convert to fraction form
    3,679,979.64/5,520,569.07 = 1,086,546.57/x
  3. Step 3: Cross multiply
    3,679,979.64x = 5,520,569.07 × 1,086,546.57
  4. Step 4: Simplify right side
    3,679,979.64x = 5,998,355,359,853.74
  5. Step 5: Solve for x
    x = 5,998,355,359,853.74/3,679,979.64
  6. Step 6: Final answer
    x = 1,629,996.89

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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.