Finding the Fourth Proportional to 6,745,791.32, 10,117,221.50 and 2,135,136.08
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Solution
The fourth proportional to 6,745,791.32, 10,117,221.50 and 2,135,136.08 is: 3,202,240.28
Step by Step Solution
- Step 1: Write the proportion equation
6,745,791.32 : 10,117,221.50 = 2,135,136.08 : x - Step 2: Convert to fraction form
6,745,791.32/10,117,221.50 = 2,135,136.08/x - Step 3: Cross multiply
6,745,791.32x = 10,117,221.50 × 2,135,136.08 - Step 4: Simplify right side
6,745,791.32x = 21,601,644,654,001.72 - Step 5: Solve for x
x = 21,601,644,654,001.72/6,745,791.32 - Step 6: Final answer
x = 3,202,240.28
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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.