Finding the Fourth Proportional to 1,474,515.05, 2,212,107.64 and 449,936.99
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Solution
The fourth proportional to 1,474,515.05, 2,212,107.64 and 449,936.99 is: 675,007.72
Step by Step Solution
- Step 1: Write the proportion equation
1,474,515.05 : 2,212,107.64 = 449,936.99 : x - Step 2: Convert to fraction form
1,474,515.05/2,212,107.64 = 449,936.99/x - Step 3: Cross multiply
1,474,515.05x = 2,212,107.64 × 449,936.99 - Step 4: Simplify right side
1,474,515.05x = 995,309,040,912.22 - Step 5: Solve for x
x = 995,309,040,912.22/1,474,515.05 - Step 6: Final answer
x = 675,007.72
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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.