Home / 2,601,243.21-3,896,815.28-1,916,887.78

Finding the Fourth Proportional to 2,601,243.21, 3,896,815.28 and 1,916,887.78

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Solution

The fourth proportional to 2,601,243.21, 3,896,815.28 and 1,916,887.78 is: 2,871,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601,243.21 : 3,896,815.28 = 1,916,887.78 : x
  2. Step 2: Convert to fraction form
    2,601,243.21/3,896,815.28 = 1,916,887.78/x
  3. Step 3: Cross multiply
    2,601,243.21x = 3,896,815.28 × 1,916,887.78
  4. Step 4: Simplify right side
    2,601,243.21x = 7,469,757,597,218.35
  5. Step 5: Solve for x
    x = 7,469,757,597,218.35/2,601,243.21
  6. Step 6: Final answer
    x = 2,871,610.60

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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.