Home / 3,783,156.14-5,677,760.38-1,987,098.78

Finding the Fourth Proportional to 3,783,156.14, 5,677,760.38 and 1,987,098.78

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Solution

The fourth proportional to 3,783,156.14, 5,677,760.38 and 1,987,098.78 is: 2,982,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,156.14 : 5,677,760.38 = 1,987,098.78 : x
  2. Step 2: Convert to fraction form
    3,783,156.14/5,677,760.38 = 1,987,098.78/x
  3. Step 3: Cross multiply
    3,783,156.14x = 5,677,760.38 × 1,987,098.78
  4. Step 4: Simplify right side
    3,783,156.14x = 11,282,270,724,230.34
  5. Step 5: Solve for x
    x = 11,282,270,724,230.34/3,783,156.14
  6. Step 6: Final answer
    x = 2,982,237.66

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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.