Finding the Fourth Proportional to 1,517,881.10, 2,279,446.05 and 809,293.10
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Solution
The fourth proportional to 1,517,881.10, 2,279,446.05 and 809,293.10 is: 1,215,338.91
Step by Step Solution
- Step 1: Write the proportion equation
1,517,881.10 : 2,279,446.05 = 809,293.10 : x - Step 2: Convert to fraction form
1,517,881.10/2,279,446.05 = 809,293.10/x - Step 3: Cross multiply
1,517,881.10x = 2,279,446.05 × 809,293.10 - Step 4: Simplify right side
1,517,881.10x = 1,844,739,960,087.26 - Step 5: Solve for x
x = 1,844,739,960,087.26/1,517,881.10 - Step 6: Final answer
x = 1,215,338.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.