Home / 3,818,826.54-5,269,974.21-2,187,761.94

Finding the Fourth Proportional to 3,818,826.54, 5,269,974.21 and 2,187,761.94

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Solution

The fourth proportional to 3,818,826.54, 5,269,974.21 and 2,187,761.94 is: 3,019,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,826.54 : 5,269,974.21 = 2,187,761.94 : x
  2. Step 2: Convert to fraction form
    3,818,826.54/5,269,974.21 = 2,187,761.94/x
  3. Step 3: Cross multiply
    3,818,826.54x = 5,269,974.21 × 2,187,761.94
  4. Step 4: Simplify right side
    3,818,826.54x = 11,529,449,001,419.57
  5. Step 5: Solve for x
    x = 11,529,449,001,419.57/3,818,826.54
  6. Step 6: Final answer
    x = 3,019,107.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.