Home / 1,906,016.40-2,856,400.20-1,264,496.40

Finding the Fourth Proportional to 1,906,016.40, 2,856,400.20 and 1,264,496.40

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Solution

The fourth proportional to 1,906,016.40, 2,856,400.20 and 1,264,496.40 is: 1,895,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,016.40 : 2,856,400.20 = 1,264,496.40 : x
  2. Step 2: Convert to fraction form
    1,906,016.40/2,856,400.20 = 1,264,496.40/x
  3. Step 3: Cross multiply
    1,906,016.40x = 2,856,400.20 × 1,264,496.40
  4. Step 4: Simplify right side
    1,906,016.40x = 3,611,907,769,859.28
  5. Step 5: Solve for x
    x = 3,611,907,769,859.28/1,906,016.40
  6. Step 6: Final answer
    x = 1,895,003.51

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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.