Home / 2,079,452.82-3,119,476.77-640,258

Finding the Fourth Proportional to 2,079,452.82, 3,119,476.77 and 640,258

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Solution

The fourth proportional to 2,079,452.82, 3,119,476.77 and 640,258 is: 960,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,452.82 : 3,119,476.77 = 640,258 : x
  2. Step 2: Convert to fraction form
    2,079,452.82/3,119,476.77 = 640,258/x
  3. Step 3: Cross multiply
    2,079,452.82x = 3,119,476.77 × 640,258
  4. Step 4: Simplify right side
    2,079,452.82x = 1,997,269,957,806.66
  5. Step 5: Solve for x
    x = 1,997,269,957,806.66/2,079,452.82
  6. Step 6: Final answer
    x = 960,478.61

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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.