Finding the Fourth Proportional to 2,517,715.44, 3,474,403.56 and 1,371,805.20
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Solution
The fourth proportional to 2,517,715.44, 3,474,403.56 and 1,371,805.20 is: 1,893,067.34
Step by Step Solution
- Step 1: Write the proportion equation
2,517,715.44 : 3,474,403.56 = 1,371,805.20 : x - Step 2: Convert to fraction form
2,517,715.44/3,474,403.56 = 1,371,805.20/x - Step 3: Cross multiply
2,517,715.44x = 3,474,403.56 × 1,371,805.20 - Step 4: Simplify right side
2,517,715.44x = 4,766,204,870,506.51 - Step 5: Solve for x
x = 4,766,204,870,506.51/2,517,715.44 - Step 6: Final answer
x = 1,893,067.34
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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.