Finding the Fourth Proportional to 3,634,716.09, 5,016,144.89 and 2,086,478.99
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Solution
The fourth proportional to 3,634,716.09, 5,016,144.89 and 2,086,478.99 is: 2,879,476.87
Step by Step Solution
- Step 1: Write the proportion equation
3,634,716.09 : 5,016,144.89 = 2,086,478.99 : x - Step 2: Convert to fraction form
3,634,716.09/5,016,144.89 = 2,086,478.99/x - Step 3: Cross multiply
3,634,716.09x = 5,016,144.89 × 2,086,478.99 - Step 4: Simplify right side
3,634,716.09x = 10,466,080,909,804.45 - Step 5: Solve for x
x = 10,466,080,909,804.45/3,634,716.09 - Step 6: Final answer
x = 2,879,476.87
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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.