Home / 2,665,346.21-3,998,016.24-868,226.80

Finding the Fourth Proportional to 2,665,346.21, 3,998,016.24 and 868,226.80

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Solution

The fourth proportional to 2,665,346.21, 3,998,016.24 and 868,226.80 is: 1,302,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,346.21 : 3,998,016.24 = 868,226.80 : x
  2. Step 2: Convert to fraction form
    2,665,346.21/3,998,016.24 = 868,226.80/x
  3. Step 3: Cross multiply
    2,665,346.21x = 3,998,016.24 × 868,226.80
  4. Step 4: Simplify right side
    2,665,346.21x = 3,471,184,846,403.23
  5. Step 5: Solve for x
    x = 3,471,184,846,403.23/2,665,346.21
  6. Step 6: Final answer
    x = 1,302,339.20

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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.