Finding the Fourth Proportional to 5,455,942.82, 8,183,912.79 and 1,861,709.42
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Solution
The fourth proportional to 5,455,942.82, 8,183,912.79 and 1,861,709.42 is: 2,792,563.64
Step by Step Solution
- Step 1: Write the proportion equation
5,455,942.82 : 8,183,912.79 = 1,861,709.42 : x - Step 2: Convert to fraction form
5,455,942.82/8,183,912.79 = 1,861,709.42/x - Step 3: Cross multiply
5,455,942.82x = 8,183,912.79 × 1,861,709.42 - Step 4: Simplify right side
5,455,942.82x = 15,236,067,533,601.48 - Step 5: Solve for x
x = 15,236,067,533,601.48/5,455,942.82 - Step 6: Final answer
x = 2,792,563.64
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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.