Finding the Fourth Proportional to 5,193,886.24, 7,167,591.16 and 2,839,087.18
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Solution
The fourth proportional to 5,193,886.24, 7,167,591.16 and 2,839,087.18 is: 3,917,955.69
Step by Step Solution
- Step 1: Write the proportion equation
5,193,886.24 : 7,167,591.16 = 2,839,087.18 : x - Step 2: Convert to fraction form
5,193,886.24/7,167,591.16 = 2,839,087.18/x - Step 3: Cross multiply
5,193,886.24x = 7,167,591.16 × 2,839,087.18 - Step 4: Simplify right side
5,193,886.24x = 20,349,416,151,351.27 - Step 5: Solve for x
x = 20,349,416,151,351.27/5,193,886.24 - Step 6: Final answer
x = 3,917,955.69
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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.