Finding the Fourth Proportional to 3,926,369.52, 5,889,685.20 and 1,086,243.84
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Solution
The fourth proportional to 3,926,369.52, 5,889,685.20 and 1,086,243.84 is: 1,629,401.98
Step by Step Solution
- Step 1: Write the proportion equation
3,926,369.52 : 5,889,685.20 = 1,086,243.84 : x - Step 2: Convert to fraction form
3,926,369.52/5,889,685.20 = 1,086,243.84/x - Step 3: Cross multiply
3,926,369.52x = 5,889,685.20 × 1,086,243.84 - Step 4: Simplify right side
3,926,369.52x = 6,397,634,268,039.17 - Step 5: Solve for x
x = 6,397,634,268,039.17/3,926,369.52 - Step 6: Final answer
x = 1,629,401.98
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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.