Home / 1,930,871.82-2,665,120.14-1,205,282.73

Finding the Fourth Proportional to 1,930,871.82, 2,665,120.14 and 1,205,282.73

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Solution

The fourth proportional to 1,930,871.82, 2,665,120.14 and 1,205,282.73 is: 1,663,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,871.82 : 2,665,120.14 = 1,205,282.73 : x
  2. Step 2: Convert to fraction form
    1,930,871.82/2,665,120.14 = 1,205,282.73/x
  3. Step 3: Cross multiply
    1,930,871.82x = 2,665,120.14 × 1,205,282.73
  4. Step 4: Simplify right side
    1,930,871.82x = 3,212,223,278,117.18
  5. Step 5: Solve for x
    x = 3,212,223,278,117.18/1,930,871.82
  6. Step 6: Final answer
    x = 1,663,612.91

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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.