Finding the Fourth Proportional to 4,379,658.35, 6,000,031.71 and 4,215,912.53
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Solution
The fourth proportional to 4,379,658.35, 6,000,031.71 and 4,215,912.53 is: 5,775,703.68
Step by Step Solution
- Step 1: Write the proportion equation
4,379,658.35 : 6,000,031.71 = 4,215,912.53 : x - Step 2: Convert to fraction form
4,379,658.35/6,000,031.71 = 4,215,912.53/x - Step 3: Cross multiply
4,379,658.35x = 6,000,031.71 × 4,215,912.53 - Step 4: Simplify right side
4,379,658.35x = 25,295,608,856,046.54 - Step 5: Solve for x
x = 25,295,608,856,046.54/4,379,658.35 - Step 6: Final answer
x = 5,775,703.68
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.