Home / 2,192,201.20-3,025,236.58-1,286,783.20

Finding the Fourth Proportional to 2,192,201.20, 3,025,236.58 and 1,286,783.20

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Solution

The fourth proportional to 2,192,201.20, 3,025,236.58 and 1,286,783.20 is: 1,775,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,201.20 : 3,025,236.58 = 1,286,783.20 : x
  2. Step 2: Convert to fraction form
    2,192,201.20/3,025,236.58 = 1,286,783.20/x
  3. Step 3: Cross multiply
    2,192,201.20x = 3,025,236.58 × 1,286,783.20
  4. Step 4: Simplify right side
    2,192,201.20x = 3,892,823,607,169.46
  5. Step 5: Solve for x
    x = 3,892,823,607,169.46/2,192,201.20
  6. Step 6: Final answer
    x = 1,775,760.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.