Finding the Fourth Proportional to 5,168,729.53, 7,753,093.79 and 1,382,113.99
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Solution
The fourth proportional to 5,168,729.53, 7,753,093.79 and 1,382,113.99 is: 2,073,170.85
Step by Step Solution
- Step 1: Write the proportion equation
5,168,729.53 : 7,753,093.79 = 1,382,113.99 : x - Step 2: Convert to fraction form
5,168,729.53/7,753,093.79 = 1,382,113.99/x - Step 3: Cross multiply
5,168,729.53x = 7,753,093.79 × 1,382,113.99 - Step 4: Simplify right side
5,168,729.53x = 10,715,659,386,030.55 - Step 5: Solve for x
x = 10,715,659,386,030.55/5,168,729.53 - Step 6: Final answer
x = 2,073,170.85
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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.