Finding the Fourth Proportional to 5,485,830.43, 8,229,286.92 and 1,891,124.14
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Solution
The fourth proportional to 5,485,830.43, 8,229,286.92 and 1,891,124.14 is: 2,836,872.80
Step by Step Solution
- Step 1: Write the proportion equation
5,485,830.43 : 8,229,286.92 = 1,891,124.14 : x - Step 2: Convert to fraction form
5,485,830.43/8,229,286.92 = 1,891,124.14/x - Step 3: Cross multiply
5,485,830.43x = 8,229,286.92 × 1,891,124.14 - Step 4: Simplify right side
5,485,830.43x = 15,562,603,149,398.25 - Step 5: Solve for x
x = 15,562,603,149,398.25/5,485,830.43 - Step 6: Final answer
x = 2,836,872.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.