Home / 3,392,859.87-5,089,286.55-868,511.07

Finding the Fourth Proportional to 3,392,859.87, 5,089,286.55 and 868,511.07

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Solution

The fourth proportional to 3,392,859.87, 5,089,286.55 and 868,511.07 is: 1,302,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392,859.87 : 5,089,286.55 = 868,511.07 : x
  2. Step 2: Convert to fraction form
    3,392,859.87/5,089,286.55 = 868,511.07/x
  3. Step 3: Cross multiply
    3,392,859.87x = 5,089,286.55 × 868,511.07
  4. Step 4: Simplify right side
    3,392,859.87x = 4,420,101,707,077.11
  5. Step 5: Solve for x
    x = 4,420,101,707,077.11/3,392,859.87
  6. Step 6: Final answer
    x = 1,302,765.77

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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.