Home / 2,138,493.80-3,208,559.90-2,104,906.60

Finding the Fourth Proportional to 2,138,493.80, 3,208,559.90 and 2,104,906.60

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Solution

The fourth proportional to 2,138,493.80, 3,208,559.90 and 2,104,906.60 is: 3,158,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,493.80 : 3,208,559.90 = 2,104,906.60 : x
  2. Step 2: Convert to fraction form
    2,138,493.80/3,208,559.90 = 2,104,906.60/x
  3. Step 3: Cross multiply
    2,138,493.80x = 3,208,559.90 × 2,104,906.60
  4. Step 4: Simplify right side
    2,138,493.80x = 6,753,718,910,005.34
  5. Step 5: Solve for x
    x = 6,753,718,910,005.34/2,138,493.80
  6. Step 6: Final answer
    x = 3,158,166.23

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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.