Finding the Fourth Proportional to 3,478,791.04, 4,800,958.68 and 2,008,761.60
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Solution
The fourth proportional to 3,478,791.04, 4,800,958.68 and 2,008,761.60 is: 2,772,222.11
Step by Step Solution
- Step 1: Write the proportion equation
3,478,791.04 : 4,800,958.68 = 2,008,761.60 : x - Step 2: Convert to fraction form
3,478,791.04/4,800,958.68 = 2,008,761.60/x - Step 3: Cross multiply
3,478,791.04x = 4,800,958.68 × 2,008,761.60 - Step 4: Simplify right side
3,478,791.04x = 9,643,981,439,570.69 - Step 5: Solve for x
x = 9,643,981,439,570.69/3,478,791.04 - Step 6: Final answer
x = 2,772,222.11
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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.