Home / 2,812,736.64-4,218,889.68-1,015,620.96

Finding the Fourth Proportional to 2,812,736.64, 4,218,889.68 and 1,015,620.96

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Solution

The fourth proportional to 2,812,736.64, 4,218,889.68 and 1,015,620.96 is: 1,523,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,736.64 : 4,218,889.68 = 1,015,620.96 : x
  2. Step 2: Convert to fraction form
    2,812,736.64/4,218,889.68 = 1,015,620.96/x
  3. Step 3: Cross multiply
    2,812,736.64x = 4,218,889.68 × 1,015,620.96
  4. Step 4: Simplify right side
    2,812,736.64x = 4,284,792,786,935.69
  5. Step 5: Solve for x
    x = 4,284,792,786,935.69/2,812,736.64
  6. Step 6: Final answer
    x = 1,523,353.71

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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.