Home / 3,783,157.14-5,677,761.88-1,987,099.78

Finding the Fourth Proportional to 3,783,157.14, 5,677,761.88 and 1,987,099.78

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Solution

The fourth proportional to 3,783,157.14, 5,677,761.88 and 1,987,099.78 is: 2,982,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,157.14 : 5,677,761.88 = 1,987,099.78 : x
  2. Step 2: Convert to fraction form
    3,783,157.14/5,677,761.88 = 1,987,099.78/x
  3. Step 3: Cross multiply
    3,783,157.14x = 5,677,761.88 × 1,987,099.78
  4. Step 4: Simplify right side
    3,783,157.14x = 11,282,279,382,640.39
  5. Step 5: Solve for x
    x = 11,282,279,382,640.39/3,783,157.14
  6. Step 6: Final answer
    x = 2,982,239.16

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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.