Finding the Fourth Proportional to 4,042,371.24, 5,578,556.76 and 2,206,906.92
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Solution
The fourth proportional to 4,042,371.24, 5,578,556.76 and 2,206,906.92 is: 3,045,577.65
Step by Step Solution
- Step 1: Write the proportion equation
4,042,371.24 : 5,578,556.76 = 2,206,906.92 : x - Step 2: Convert to fraction form
4,042,371.24/5,578,556.76 = 2,206,906.92/x - Step 3: Cross multiply
4,042,371.24x = 5,578,556.76 × 2,206,906.92 - Step 4: Simplify right side
4,042,371.24x = 12,311,355,517,256.78 - Step 5: Solve for x
x = 12,311,355,517,256.78/4,042,371.24 - Step 6: Final answer
x = 3,045,577.65
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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.