Home / 2,240,679.60-3,362,331.60-820,879.20

Finding the Fourth Proportional to 2,240,679.60, 3,362,331.60 and 820,879.20

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Solution

The fourth proportional to 2,240,679.60, 3,362,331.60 and 820,879.20 is: 1,231,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240,679.60 : 3,362,331.60 = 820,879.20 : x
  2. Step 2: Convert to fraction form
    2,240,679.60/3,362,331.60 = 820,879.20/x
  3. Step 3: Cross multiply
    2,240,679.60x = 3,362,331.60 × 820,879.20
  4. Step 4: Simplify right side
    2,240,679.60x = 2,760,068,073,942.72
  5. Step 5: Solve for x
    x = 2,760,068,073,942.72/2,240,679.60
  6. Step 6: Final answer
    x = 1,231,799.53

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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.