Home / 2,625,872.80-3,940,364.40-1,914,109.60

Finding the Fourth Proportional to 2,625,872.80, 3,940,364.40 and 1,914,109.60

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Solution

The fourth proportional to 2,625,872.80, 3,940,364.40 and 1,914,109.60 is: 2,872,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,872.80 : 3,940,364.40 = 1,914,109.60 : x
  2. Step 2: Convert to fraction form
    2,625,872.80/3,940,364.40 = 1,914,109.60/x
  3. Step 3: Cross multiply
    2,625,872.80x = 3,940,364.40 × 1,914,109.60
  4. Step 4: Simplify right side
    2,625,872.80x = 7,542,289,325,538.24
  5. Step 5: Solve for x
    x = 7,542,289,325,538.24/2,625,872.80
  6. Step 6: Final answer
    x = 2,872,298.05

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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.