Home / 1,931,754.22-2,665,687.39-1,072,246.82

Finding the Fourth Proportional to 1,931,754.22, 2,665,687.39 and 1,072,246.82

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Solution

The fourth proportional to 1,931,754.22, 2,665,687.39 and 1,072,246.82 is: 1,479,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,754.22 : 2,665,687.39 = 1,072,246.82 : x
  2. Step 2: Convert to fraction form
    1,931,754.22/2,665,687.39 = 1,072,246.82/x
  3. Step 3: Cross multiply
    1,931,754.22x = 2,665,687.39 × 1,072,246.82
  4. Step 4: Simplify right side
    1,931,754.22x = 2,858,274,811,032.55
  5. Step 5: Solve for x
    x = 2,858,274,811,032.55/1,931,754.22
  6. Step 6: Final answer
    x = 1,479,626.54

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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.