Home / 3,999,469.37-5,519,228.46-2,163,887.38

Finding the Fourth Proportional to 3,999,469.37, 5,519,228.46 and 2,163,887.38

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Solution

The fourth proportional to 3,999,469.37, 5,519,228.46 and 2,163,887.38 is: 2,986,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,469.37 : 5,519,228.46 = 2,163,887.38 : x
  2. Step 2: Convert to fraction form
    3,999,469.37/5,519,228.46 = 2,163,887.38/x
  3. Step 3: Cross multiply
    3,999,469.37x = 5,519,228.46 × 2,163,887.38
  4. Step 4: Simplify right side
    3,999,469.37x = 11,942,988,811,930.83
  5. Step 5: Solve for x
    x = 11,942,988,811,930.83/3,999,469.37
  6. Step 6: Final answer
    x = 2,986,143.34

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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.