Home / 2,617,274.52-3,925,912.68-820,297.38

Finding the Fourth Proportional to 2,617,274.52, 3,925,912.68 and 820,297.38

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Solution

The fourth proportional to 2,617,274.52, 3,925,912.68 and 820,297.38 is: 1,230,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,274.52 : 3,925,912.68 = 820,297.38 : x
  2. Step 2: Convert to fraction form
    2,617,274.52/3,925,912.68 = 820,297.38/x
  3. Step 3: Cross multiply
    2,617,274.52x = 3,925,912.68 × 820,297.38
  4. Step 4: Simplify right side
    2,617,274.52x = 3,220,415,885,512.78
  5. Step 5: Solve for x
    x = 3,220,415,885,512.78/2,617,274.52
  6. Step 6: Final answer
    x = 1,230,446.35

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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.