Home / 5,186,883.20-7,780,214.84-1,728,872.91

Finding the Fourth Proportional to 5,186,883.20, 7,780,214.84 and 1,728,872.91

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Solution

The fourth proportional to 5,186,883.20, 7,780,214.84 and 1,728,872.91 is: 2,593,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,883.20 : 7,780,214.84 = 1,728,872.91 : x
  2. Step 2: Convert to fraction form
    5,186,883.20/7,780,214.84 = 1,728,872.91/x
  3. Step 3: Cross multiply
    5,186,883.20x = 7,780,214.84 × 1,728,872.91
  4. Step 4: Simplify right side
    5,186,883.20x = 13,451,002,662,211.62
  5. Step 5: Solve for x
    x = 13,451,002,662,211.62/5,186,883.20
  6. Step 6: Final answer
    x = 2,593,272.71

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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.