Home / 1,972,662-2,722,118.44-1,208,611.68

Finding the Fourth Proportional to 1,972,662, 2,722,118.44 and 1,208,611.68

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Solution

The fourth proportional to 1,972,662, 2,722,118.44 and 1,208,611.68 is: 1,667,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,662 : 2,722,118.44 = 1,208,611.68 : x
  2. Step 2: Convert to fraction form
    1,972,662/2,722,118.44 = 1,208,611.68/x
  3. Step 3: Cross multiply
    1,972,662x = 2,722,118.44 × 1,208,611.68
  4. Step 4: Simplify right side
    1,972,662x = 3,289,984,140,927.38
  5. Step 5: Solve for x
    x = 3,289,984,140,927.38/1,972,662
  6. Step 6: Final answer
    x = 1,667,789.08

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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.