Home / 3,360,436.11-5,040,683.55-1,085,960.25

Finding the Fourth Proportional to 3,360,436.11, 5,040,683.55 and 1,085,960.25

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Solution

The fourth proportional to 3,360,436.11, 5,040,683.55 and 1,085,960.25 is: 1,628,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360,436.11 : 5,040,683.55 = 1,085,960.25 : x
  2. Step 2: Convert to fraction form
    3,360,436.11/5,040,683.55 = 1,085,960.25/x
  3. Step 3: Cross multiply
    3,360,436.11x = 5,040,683.55 × 1,085,960.25
  4. Step 4: Simplify right side
    3,360,436.11x = 5,473,981,968,128.89
  5. Step 5: Solve for x
    x = 5,473,981,968,128.89/3,360,436.11
  6. Step 6: Final answer
    x = 1,628,949.87

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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.