Home / 2,622,965.72-3,936,122.87-1,274,393.07

Finding the Fourth Proportional to 2,622,965.72, 3,936,122.87 and 1,274,393.07

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Solution

The fourth proportional to 2,622,965.72, 3,936,122.87 and 1,274,393.07 is: 1,912,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622,965.72 : 3,936,122.87 = 1,274,393.07 : x
  2. Step 2: Convert to fraction form
    2,622,965.72/3,936,122.87 = 1,274,393.07/x
  3. Step 3: Cross multiply
    2,622,965.72x = 3,936,122.87 × 1,274,393.07
  4. Step 4: Simplify right side
    2,622,965.72x = 5,016,167,701,824.55
  5. Step 5: Solve for x
    x = 5,016,167,701,824.55/2,622,965.72
  6. Step 6: Final answer
    x = 1,912,403.08

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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.