Home / 2,665,355.03-3,998,029.45-868,235.62

Finding the Fourth Proportional to 2,665,355.03, 3,998,029.45 and 868,235.62

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Solution

The fourth proportional to 2,665,355.03, 3,998,029.45 and 868,235.62 is: 1,302,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,355.03 : 3,998,029.45 = 868,235.62 : x
  2. Step 2: Convert to fraction form
    2,665,355.03/3,998,029.45 = 868,235.62/x
  3. Step 3: Cross multiply
    2,665,355.03x = 3,998,029.45 × 868,235.62
  4. Step 4: Simplify right side
    2,665,355.03x = 3,471,231,578,299.01
  5. Step 5: Solve for x
    x = 3,471,231,578,299.01/2,665,355.03
  6. Step 6: Final answer
    x = 1,302,352.42

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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.