Home / 2,543,917.11-3,510,619.12-1,382,372.54

Finding the Fourth Proportional to 2,543,917.11, 3,510,619.12 and 1,382,372.54

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Solution

The fourth proportional to 2,543,917.11, 3,510,619.12 and 1,382,372.54 is: 1,907,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543,917.11 : 3,510,619.12 = 1,382,372.54 : x
  2. Step 2: Convert to fraction form
    2,543,917.11/3,510,619.12 = 1,382,372.54/x
  3. Step 3: Cross multiply
    2,543,917.11x = 3,510,619.12 × 1,382,372.54
  4. Step 4: Simplify right side
    2,543,917.11x = 4,852,983,469,886.97
  5. Step 5: Solve for x
    x = 4,852,983,469,886.97/2,543,917.11
  6. Step 6: Final answer
    x = 1,907,681.45

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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.