Home / 2,185,866.40-3,016,489.68-1,218,997.76

Finding the Fourth Proportional to 2,185,866.40, 3,016,489.68 and 1,218,997.76

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Solution

The fourth proportional to 2,185,866.40, 3,016,489.68 and 1,218,997.76 is: 1,682,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,866.40 : 3,016,489.68 = 1,218,997.76 : x
  2. Step 2: Convert to fraction form
    2,185,866.40/3,016,489.68 = 1,218,997.76/x
  3. Step 3: Cross multiply
    2,185,866.40x = 3,016,489.68 × 1,218,997.76
  4. Step 4: Simplify right side
    2,185,866.40x = 3,677,094,162,983.12
  5. Step 5: Solve for x
    x = 3,677,094,162,983.12/2,185,866.40
  6. Step 6: Final answer
    x = 1,682,213.59

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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.