Home / 2,981,067.54-4,113,873.16-1,622,940.54

Finding the Fourth Proportional to 2,981,067.54, 4,113,873.16 and 1,622,940.54

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Solution

The fourth proportional to 2,981,067.54, 4,113,873.16 and 1,622,940.54 is: 2,239,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,067.54 : 4,113,873.16 = 1,622,940.54 : x
  2. Step 2: Convert to fraction form
    2,981,067.54/4,113,873.16 = 1,622,940.54/x
  3. Step 3: Cross multiply
    2,981,067.54x = 4,113,873.16 × 1,622,940.54
  4. Step 4: Simplify right side
    2,981,067.54x = 6,676,571,527,781.91
  5. Step 5: Solve for x
    x = 6,676,571,527,781.91/2,981,067.54
  6. Step 6: Final answer
    x = 2,239,657.92

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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.