Finding the Fourth Proportional to 5,327,091.94, 7,992,649.95 and 3,198,654.94
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Solution
The fourth proportional to 5,327,091.94, 7,992,649.95 and 3,198,654.94 is: 4,799,190.54
Step by Step Solution
- Step 1: Write the proportion equation
5,327,091.94 : 7,992,649.95 = 3,198,654.94 : x - Step 2: Convert to fraction form
5,327,091.94/7,992,649.95 = 3,198,654.94/x - Step 3: Cross multiply
5,327,091.94x = 7,992,649.95 × 3,198,654.94 - Step 4: Simplify right side
5,327,091.94x = 25,565,729,246,258.25 - Step 5: Solve for x
x = 25,565,729,246,258.25/5,327,091.94 - Step 6: Final answer
x = 4,799,190.54
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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.