Finding the Fourth Proportional to 5,745,375.69, 7,928,672.97 and 3,167,148.74
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Solution
The fourth proportional to 5,745,375.69, 7,928,672.97 and 3,167,148.74 is: 4,370,695.31
Step by Step Solution
- Step 1: Write the proportion equation
5,745,375.69 : 7,928,672.97 = 3,167,148.74 : x - Step 2: Convert to fraction form
5,745,375.69/7,928,672.97 = 3,167,148.74/x - Step 3: Cross multiply
5,745,375.69x = 7,928,672.97 × 3,167,148.74 - Step 4: Simplify right side
5,745,375.69x = 25,111,286,567,164.19 - Step 5: Solve for x
x = 25,111,286,567,164.19/5,745,375.69 - Step 6: Final answer
x = 4,370,695.31
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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.