Finding the Fourth Proportional to 5,489,658.36, 7,575,897.60 and 3,042,042.48
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Solution
The fourth proportional to 5,489,658.36, 7,575,897.60 and 3,042,042.48 is: 4,198,112.31
Step by Step Solution
- Step 1: Write the proportion equation
5,489,658.36 : 7,575,897.60 = 3,042,042.48 : x - Step 2: Convert to fraction form
5,489,658.36/7,575,897.60 = 3,042,042.48/x - Step 3: Cross multiply
5,489,658.36x = 7,575,897.60 × 3,042,042.48 - Step 4: Simplify right side
5,489,658.36x = 23,046,202,323,330.05 - Step 5: Solve for x
x = 23,046,202,323,330.05/5,489,658.36 - Step 6: Final answer
x = 4,198,112.31
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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.