Finding the Fourth Proportional to 5,146,193.88, 7,102,597.92 and 2,855,092.68
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Solution
The fourth proportional to 5,146,193.88, 7,102,597.92 and 2,855,092.68 is: 3,940,499.68
Step by Step Solution
- Step 1: Write the proportion equation
5,146,193.88 : 7,102,597.92 = 2,855,092.68 : x - Step 2: Convert to fraction form
5,146,193.88/7,102,597.92 = 2,855,092.68/x - Step 3: Cross multiply
5,146,193.88x = 7,102,597.92 × 2,855,092.68 - Step 4: Simplify right side
5,146,193.88x = 20,278,575,330,375.23 - Step 5: Solve for x
x = 20,278,575,330,375.23/5,146,193.88 - Step 6: Final answer
x = 3,940,499.68
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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.