Finding the Fourth Proportional to 6,332,268.93, 8,738,538.69 and 3,431,659.80
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Solution
The fourth proportional to 6,332,268.93, 8,738,538.69 and 3,431,659.80 is: 4,735,694.62
Step by Step Solution
- Step 1: Write the proportion equation
6,332,268.93 : 8,738,538.69 = 3,431,659.80 : x - Step 2: Convert to fraction form
6,332,268.93/8,738,538.69 = 3,431,659.80/x - Step 3: Cross multiply
6,332,268.93x = 8,738,538.69 × 3,431,659.80 - Step 4: Simplify right side
6,332,268.93x = 29,987,691,933,217.66 - Step 5: Solve for x
x = 29,987,691,933,217.66/6,332,268.93 - Step 6: Final answer
x = 4,735,694.62
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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.