Home / 3,017,620.78-4,164,233.43-1,659,493.78

Finding the Fourth Proportional to 3,017,620.78, 4,164,233.43 and 1,659,493.78

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Solution

The fourth proportional to 3,017,620.78, 4,164,233.43 and 1,659,493.78 is: 2,290,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017,620.78 : 4,164,233.43 = 1,659,493.78 : x
  2. Step 2: Convert to fraction form
    3,017,620.78/4,164,233.43 = 1,659,493.78/x
  3. Step 3: Cross multiply
    3,017,620.78x = 4,164,233.43 × 1,659,493.78
  4. Step 4: Simplify right side
    3,017,620.78x = 6,910,519,475,553.07
  5. Step 5: Solve for x
    x = 6,910,519,475,553.07/3,017,620.78
  6. Step 6: Final answer
    x = 2,290,055.64

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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.