Home / 2,185,627.80-3,278,441.70-2,112,144.60

Finding the Fourth Proportional to 2,185,627.80, 3,278,441.70 and 2,112,144.60

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Solution

The fourth proportional to 2,185,627.80, 3,278,441.70 and 2,112,144.60 is: 3,168,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,627.80 : 3,278,441.70 = 2,112,144.60 : x
  2. Step 2: Convert to fraction form
    2,185,627.80/3,278,441.70 = 2,112,144.60/x
  3. Step 3: Cross multiply
    2,185,627.80x = 3,278,441.70 × 2,112,144.60
  4. Step 4: Simplify right side
    2,185,627.80x = 6,924,542,933,069.82
  5. Step 5: Solve for x
    x = 6,924,542,933,069.82/2,185,627.80
  6. Step 6: Final answer
    x = 3,168,216.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.