Home / 2,738,961.20-4,111,811.40-1,728,081.20

Finding the Fourth Proportional to 2,738,961.20, 4,111,811.40 and 1,728,081.20

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Solution

The fourth proportional to 2,738,961.20, 4,111,811.40 and 1,728,081.20 is: 2,594,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,961.20 : 4,111,811.40 = 1,728,081.20 : x
  2. Step 2: Convert to fraction form
    2,738,961.20/4,111,811.40 = 1,728,081.20/x
  3. Step 3: Cross multiply
    2,738,961.20x = 4,111,811.40 × 1,728,081.20
  4. Step 4: Simplify right side
    2,738,961.20x = 7,105,543,978,285.68
  5. Step 5: Solve for x
    x = 7,105,543,978,285.68/2,738,961.20
  6. Step 6: Final answer
    x = 2,594,247.77

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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.