Home / 2,665,399.69-3,998,096.46-868,280.32

Finding the Fourth Proportional to 2,665,399.69, 3,998,096.46 and 868,280.32

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Solution

The fourth proportional to 2,665,399.69, 3,998,096.46 and 868,280.32 is: 1,302,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,399.69 : 3,998,096.46 = 868,280.32 : x
  2. Step 2: Convert to fraction form
    2,665,399.69/3,998,096.46 = 868,280.32/x
  3. Step 3: Cross multiply
    2,665,399.69x = 3,998,096.46 × 868,280.32
  4. Step 4: Simplify right side
    2,665,399.69x = 3,471,468,473,679.67
  5. Step 5: Solve for x
    x = 3,471,468,473,679.67/2,665,399.69
  6. Step 6: Final answer
    x = 1,302,419.48

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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.