Finding the Fourth Proportional to 3,207,174.98, 4,425,902.31 and 1,756,921.97
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Solution
The fourth proportional to 3,207,174.98, 4,425,902.31 and 1,756,921.97 is: 2,424,552.78
Step by Step Solution
- Step 1: Write the proportion equation
3,207,174.98 : 4,425,902.31 = 1,756,921.97 : x - Step 2: Convert to fraction form
3,207,174.98/4,425,902.31 = 1,756,921.97/x - Step 3: Cross multiply
3,207,174.98x = 4,425,902.31 × 1,756,921.97 - Step 4: Simplify right side
3,207,174.98x = 7,775,965,016,577.51 - Step 5: Solve for x
x = 7,775,965,016,577.51/3,207,174.98 - Step 6: Final answer
x = 2,424,552.78
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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.