Finding the Fourth Proportional to 4,517,775.52, 6,775,960.77 and 1,485,121.21
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Solution
The fourth proportional to 4,517,775.52, 6,775,960.77 and 1,485,121.21 is: 2,227,450.88
Step by Step Solution
- Step 1: Write the proportion equation
4,517,775.52 : 6,775,960.77 = 1,485,121.21 : x - Step 2: Convert to fraction form
4,517,775.52/6,775,960.77 = 1,485,121.21/x - Step 3: Cross multiply
4,517,775.52x = 6,775,960.77 × 1,485,121.21 - Step 4: Simplify right side
4,517,775.52x = 10,063,123,040,715.03 - Step 5: Solve for x
x = 10,063,123,040,715.03/4,517,775.52 - Step 6: Final answer
x = 2,227,450.88
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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.