Home / 3,215,121.60-4,823,578.32-2,621,686.48

Finding the Fourth Proportional to 3,215,121.60, 4,823,578.32 and 2,621,686.48

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Solution

The fourth proportional to 3,215,121.60, 4,823,578.32 and 2,621,686.48 is: 3,933,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,121.60 : 4,823,578.32 = 2,621,686.48 : x
  2. Step 2: Convert to fraction form
    3,215,121.60/4,823,578.32 = 2,621,686.48/x
  3. Step 3: Cross multiply
    3,215,121.60x = 4,823,578.32 × 2,621,686.48
  4. Step 4: Simplify right side
    3,215,121.60x = 12,645,910,066,765.12
  5. Step 5: Solve for x
    x = 12,645,910,066,765.12/3,215,121.60
  6. Step 6: Final answer
    x = 3,933,260.27

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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.