Home / 2,928,056.82-4,040,717.31-1,638,896.88

Finding the Fourth Proportional to 2,928,056.82, 4,040,717.31 and 1,638,896.88

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Solution

The fourth proportional to 2,928,056.82, 4,040,717.31 and 1,638,896.88 is: 2,261,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,056.82 : 4,040,717.31 = 1,638,896.88 : x
  2. Step 2: Convert to fraction form
    2,928,056.82/4,040,717.31 = 1,638,896.88/x
  3. Step 3: Cross multiply
    2,928,056.82x = 4,040,717.31 × 1,638,896.88
  4. Step 4: Simplify right side
    2,928,056.82x = 6,622,318,992,320.99
  5. Step 5: Solve for x
    x = 6,622,318,992,320.99/2,928,056.82
  6. Step 6: Final answer
    x = 2,261,677.08

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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.