Finding the Fourth Proportional to 4,738,542.96, 7,107,696.36 and 2,217,019.44
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Solution
The fourth proportional to 4,738,542.96, 7,107,696.36 and 2,217,019.44 is: 3,325,473.91
Step by Step Solution
- Step 1: Write the proportion equation
4,738,542.96 : 7,107,696.36 = 2,217,019.44 : x - Step 2: Convert to fraction form
4,738,542.96/7,107,696.36 = 2,217,019.44/x - Step 3: Cross multiply
4,738,542.96x = 7,107,696.36 × 2,217,019.44 - Step 4: Simplify right side
4,738,542.96x = 15,757,901,003,737.24 - Step 5: Solve for x
x = 15,757,901,003,737.24/4,738,542.96 - Step 6: Final answer
x = 3,325,473.91
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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.