Finding the Fourth Proportional to 3,990,634.40, 5,986,836.12 and 1,150,524.92
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Solution
The fourth proportional to 3,990,634.40, 5,986,836.12 and 1,150,524.92 is: 1,726,042.39
Step by Step Solution
- Step 1: Write the proportion equation
3,990,634.40 : 5,986,836.12 = 1,150,524.92 : x - Step 2: Convert to fraction form
3,990,634.40/5,986,836.12 = 1,150,524.92/x - Step 3: Cross multiply
3,990,634.40x = 5,986,836.12 × 1,150,524.92 - Step 4: Simplify right side
3,990,634.40x = 6,888,004,148,016.11 - Step 5: Solve for x
x = 6,888,004,148,016.11/3,990,634.40 - Step 6: Final answer
x = 1,726,042.39
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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.