Finding the Fourth Proportional to 3,652,578.39, 5,040,706.73 and 2,020,959.21
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Solution
The fourth proportional to 3,652,578.39, 5,040,706.73 and 2,020,959.21 is: 2,789,005.90
Step by Step Solution
- Step 1: Write the proportion equation
3,652,578.39 : 5,040,706.73 = 2,020,959.21 : x - Step 2: Convert to fraction form
3,652,578.39/5,040,706.73 = 2,020,959.21/x - Step 3: Cross multiply
3,652,578.39x = 5,040,706.73 × 2,020,959.21 - Step 4: Simplify right side
3,652,578.39x = 10,187,062,690,902.48 - Step 5: Solve for x
x = 10,187,062,690,902.48/3,652,578.39 - Step 6: Final answer
x = 2,789,005.90
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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.