Home / 2,188,584.46-3,019,714.56-1,282,991.50

Finding the Fourth Proportional to 2,188,584.46, 3,019,714.56 and 1,282,991.50

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Solution

The fourth proportional to 2,188,584.46, 3,019,714.56 and 1,282,991.50 is: 1,770,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,584.46 : 3,019,714.56 = 1,282,991.50 : x
  2. Step 2: Convert to fraction form
    2,188,584.46/3,019,714.56 = 1,282,991.50/x
  3. Step 3: Cross multiply
    2,188,584.46x = 3,019,714.56 × 1,282,991.50
  4. Step 4: Simplify right side
    2,188,584.46x = 3,874,268,112,906.24
  5. Step 5: Solve for x
    x = 3,874,268,112,906.24/2,188,584.46
  6. Step 6: Final answer
    x = 1,770,216.40

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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.