Home / 2,138,957.96-2,951,761.14-1,185,101.96

Finding the Fourth Proportional to 2,138,957.96, 2,951,761.14 and 1,185,101.96

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Solution

The fourth proportional to 2,138,957.96, 2,951,761.14 and 1,185,101.96 is: 1,635,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,957.96 : 2,951,761.14 = 1,185,101.96 : x
  2. Step 2: Convert to fraction form
    2,138,957.96/2,951,761.14 = 1,185,101.96/x
  3. Step 3: Cross multiply
    2,138,957.96x = 2,951,761.14 × 1,185,101.96
  4. Step 4: Simplify right side
    2,138,957.96x = 3,498,137,912,465.83
  5. Step 5: Solve for x
    x = 3,498,137,912,465.83/2,138,957.96
  6. Step 6: Final answer
    x = 1,635,440.24

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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.