Finding the Fourth Proportional to 1,517,812.10, 2,279,342.55 and 809,224.10
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Solution
The fourth proportional to 1,517,812.10, 2,279,342.55 and 809,224.10 is: 1,215,235.35
Step by Step Solution
- Step 1: Write the proportion equation
1,517,812.10 : 2,279,342.55 = 809,224.10 : x - Step 2: Convert to fraction form
1,517,812.10/2,279,342.55 = 809,224.10/x - Step 3: Cross multiply
1,517,812.10x = 2,279,342.55 × 809,224.10 - Step 4: Simplify right side
1,517,812.10x = 1,844,498,923,615.45 - Step 5: Solve for x
x = 1,844,498,923,615.45/1,517,812.10 - Step 6: Final answer
x = 1,215,235.35
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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.