Finding the Fourth Proportional to 3,669,658.20, 5,504,487.30 and 3,277,747.80
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Solution
The fourth proportional to 3,669,658.20, 5,504,487.30 and 3,277,747.80 is: 4,916,621.70
Step by Step Solution
- Step 1: Write the proportion equation
3,669,658.20 : 5,504,487.30 = 3,277,747.80 : x - Step 2: Convert to fraction form
3,669,658.20/5,504,487.30 = 3,277,747.80/x - Step 3: Cross multiply
3,669,658.20x = 5,504,487.30 × 3,277,747.80 - Step 4: Simplify right side
3,669,658.20x = 18,042,321,137,702.94 - Step 5: Solve for x
x = 18,042,321,137,702.94/3,669,658.20 - Step 6: Final answer
x = 4,916,621.70
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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.