Home / 2,625,876.80-3,940,370.40-1,914,113.60

Finding the Fourth Proportional to 2,625,876.80, 3,940,370.40 and 1,914,113.60

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Solution

The fourth proportional to 2,625,876.80, 3,940,370.40 and 1,914,113.60 is: 2,872,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,876.80 : 3,940,370.40 = 1,914,113.60 : x
  2. Step 2: Convert to fraction form
    2,625,876.80/3,940,370.40 = 1,914,113.60/x
  3. Step 3: Cross multiply
    2,625,876.80x = 3,940,370.40 × 1,914,113.60
  4. Step 4: Simplify right side
    2,625,876.80x = 7,542,316,571,677.44
  5. Step 5: Solve for x
    x = 7,542,316,571,677.44/2,625,876.80
  6. Step 6: Final answer
    x = 2,872,304.05

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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.