Home / 2,179,498.92-3,007,651.14-1,212,631.08

Finding the Fourth Proportional to 2,179,498.92, 3,007,651.14 and 1,212,631.08

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Solution

The fourth proportional to 2,179,498.92, 3,007,651.14 and 1,212,631.08 is: 1,673,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,498.92 : 3,007,651.14 = 1,212,631.08 : x
  2. Step 2: Convert to fraction form
    2,179,498.92/3,007,651.14 = 1,212,631.08/x
  3. Step 3: Cross multiply
    2,179,498.92x = 3,007,651.14 × 1,212,631.08
  4. Step 4: Simplify right side
    2,179,498.92x = 3,647,171,250,161.43
  5. Step 5: Solve for x
    x = 3,647,171,250,161.43/2,179,498.92
  6. Step 6: Final answer
    x = 1,673,398.97

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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.