Finding the Fourth Proportional to 2,689,211.44, 3,711,112.44 and 1,465,517.32
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Solution
The fourth proportional to 2,689,211.44, 3,711,112.44 and 1,465,517.32 is: 2,022,414.26
Step by Step Solution
- Step 1: Write the proportion equation
2,689,211.44 : 3,711,112.44 = 1,465,517.32 : x - Step 2: Convert to fraction form
2,689,211.44/3,711,112.44 = 1,465,517.32/x - Step 3: Cross multiply
2,689,211.44x = 3,711,112.44 × 1,465,517.32 - Step 4: Simplify right side
2,689,211.44x = 5,438,699,557,287.46 - Step 5: Solve for x
x = 5,438,699,557,287.46/2,689,211.44 - Step 6: Final answer
x = 2,022,414.26
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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.