Home / 2,102,793.60-3,150,561.60-978,556.80

Finding the Fourth Proportional to 2,102,793.60, 3,150,561.60 and 978,556.80

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Solution

The fourth proportional to 2,102,793.60, 3,150,561.60 and 978,556.80 is: 1,466,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,793.60 : 3,150,561.60 = 978,556.80 : x
  2. Step 2: Convert to fraction form
    2,102,793.60/3,150,561.60 = 978,556.80/x
  3. Step 3: Cross multiply
    2,102,793.60x = 3,150,561.60 × 978,556.80
  4. Step 4: Simplify right side
    2,102,793.60x = 3,083,003,477,498.88
  5. Step 5: Solve for x
    x = 3,083,003,477,498.88/2,102,793.60
  6. Step 6: Final answer
    x = 1,466,146.50

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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.