Home / 2,638,203.20-3,952,639.20-2,236,961.60

Finding the Fourth Proportional to 2,638,203.20, 3,952,639.20 and 2,236,961.60

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Solution

The fourth proportional to 2,638,203.20, 3,952,639.20 and 2,236,961.60 is: 3,351,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,203.20 : 3,952,639.20 = 2,236,961.60 : x
  2. Step 2: Convert to fraction form
    2,638,203.20/3,952,639.20 = 2,236,961.60/x
  3. Step 3: Cross multiply
    2,638,203.20x = 3,952,639.20 × 2,236,961.60
  4. Step 4: Simplify right side
    2,638,203.20x = 8,841,902,109,054.72
  5. Step 5: Solve for x
    x = 8,841,902,109,054.72/2,638,203.20
  6. Step 6: Final answer
    x = 3,351,486.39

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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.