Home / 2,186,873.46-3,017,886.66-1,220,003.73

Finding the Fourth Proportional to 2,186,873.46, 3,017,886.66 and 1,220,003.73

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Solution

The fourth proportional to 2,186,873.46, 3,017,886.66 and 1,220,003.73 is: 1,683,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,873.46 : 3,017,886.66 = 1,220,003.73 : x
  2. Step 2: Convert to fraction form
    2,186,873.46/3,017,886.66 = 1,220,003.73/x
  3. Step 3: Cross multiply
    2,186,873.46x = 3,017,886.66 × 1,220,003.73
  4. Step 4: Simplify right side
    2,186,873.46x = 3,681,832,981,917.24
  5. Step 5: Solve for x
    x = 3,681,832,981,917.24/2,186,873.46
  6. Step 6: Final answer
    x = 1,683,605.86

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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.