Home / 2,124,120.80-3,185,274-986,180.96

Finding the Fourth Proportional to 2,124,120.80, 3,185,274 and 986,180.96

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Solution

The fourth proportional to 2,124,120.80, 3,185,274 and 986,180.96 is: 1,478,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,120.80 : 3,185,274 = 986,180.96 : x
  2. Step 2: Convert to fraction form
    2,124,120.80/3,185,274 = 986,180.96/x
  3. Step 3: Cross multiply
    2,124,120.80x = 3,185,274 × 986,180.96
  4. Step 4: Simplify right side
    2,124,120.80x = 3,141,256,571,183.04
  5. Step 5: Solve for x
    x = 3,141,256,571,183.04/2,124,120.80
  6. Step 6: Final answer
    x = 1,478,850.25

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1.5x scale

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.