Home / 2,111,163.89-2,913,335.30-1,251,213.62

Finding the Fourth Proportional to 2,111,163.89, 2,913,335.30 and 1,251,213.62

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Solution

The fourth proportional to 2,111,163.89, 2,913,335.30 and 1,251,213.62 is: 1,726,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,163.89 : 2,913,335.30 = 1,251,213.62 : x
  2. Step 2: Convert to fraction form
    2,111,163.89/2,913,335.30 = 1,251,213.62/x
  3. Step 3: Cross multiply
    2,111,163.89x = 2,913,335.30 × 1,251,213.62
  4. Step 4: Simplify right side
    2,111,163.89x = 3,645,204,795,548.14
  5. Step 5: Solve for x
    x = 3,645,204,795,548.14/2,111,163.89
  6. Step 6: Final answer
    x = 1,726,632.79

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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.