Home / 2,188,177.56-3,017,304.54-1,422,811.80

Finding the Fourth Proportional to 2,188,177.56, 3,017,304.54 and 1,422,811.80

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Solution

The fourth proportional to 2,188,177.56, 3,017,304.54 and 1,422,811.80 is: 1,961,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,177.56 : 3,017,304.54 = 1,422,811.80 : x
  2. Step 2: Convert to fraction form
    2,188,177.56/3,017,304.54 = 1,422,811.80/x
  3. Step 3: Cross multiply
    2,188,177.56x = 3,017,304.54 × 1,422,811.80
  4. Step 4: Simplify right side
    2,188,177.56x = 4,293,056,503,705.57
  5. Step 5: Solve for x
    x = 4,293,056,503,705.57/2,188,177.56
  6. Step 6: Final answer
    x = 1,961,932.42

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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.