Finding the Fourth Proportional to 5,320,771.05, 7,342,663.98 and 2,873,382.03
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Solution
The fourth proportional to 5,320,771.05, 7,342,663.98 and 2,873,382.03 is: 3,965,267.16
Step by Step Solution
- Step 1: Write the proportion equation
5,320,771.05 : 7,342,663.98 = 2,873,382.03 : x - Step 2: Convert to fraction form
5,320,771.05/7,342,663.98 = 2,873,382.03/x - Step 3: Cross multiply
5,320,771.05x = 7,342,663.98 × 2,873,382.03 - Step 4: Simplify right side
5,320,771.05x = 21,098,278,694,150.11 - Step 5: Solve for x
x = 21,098,278,694,150.11/5,320,771.05 - Step 6: Final answer
x = 3,965,267.16
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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.