Finding the Fourth Proportional to 5,517,135.06, 7,613,526.99 and 3,194,125.53
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Solution
The fourth proportional to 5,517,135.06, 7,613,526.99 and 3,194,125.53 is: 4,407,824.11
Step by Step Solution
- Step 1: Write the proportion equation
5,517,135.06 : 7,613,526.99 = 3,194,125.53 : x - Step 2: Convert to fraction form
5,517,135.06/7,613,526.99 = 3,194,125.53/x - Step 3: Cross multiply
5,517,135.06x = 7,613,526.99 × 3,194,125.53 - Step 4: Simplify right side
5,517,135.06x = 24,318,560,932,103.05 - Step 5: Solve for x
x = 24,318,560,932,103.05/5,517,135.06 - Step 6: Final answer
x = 4,407,824.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.