Home / 3,999,761.72-5,519,655.93-2,164,223.56

Finding the Fourth Proportional to 3,999,761.72, 5,519,655.93 and 2,164,223.56

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Solution

The fourth proportional to 3,999,761.72, 5,519,655.93 and 2,164,223.56 is: 2,986,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,761.72 : 5,519,655.93 = 2,164,223.56 : x
  2. Step 2: Convert to fraction form
    3,999,761.72/5,519,655.93 = 2,164,223.56/x
  3. Step 3: Cross multiply
    3,999,761.72x = 5,519,655.93 × 2,164,223.56
  4. Step 4: Simplify right side
    3,999,761.72x = 11,945,769,393,205.13
  5. Step 5: Solve for x
    x = 11,945,769,393,205.13/3,999,761.72
  6. Step 6: Final answer
    x = 2,986,620.26

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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.