Finding the Fourth Proportional to 1,682,783.92, 2,322,244.68 and 918,821.20
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Solution
The fourth proportional to 1,682,783.92, 2,322,244.68 and 918,821.20 is: 1,267,974.82
Step by Step Solution
- Step 1: Write the proportion equation
1,682,783.92 : 2,322,244.68 = 918,821.20 : x - Step 2: Convert to fraction form
1,682,783.92/2,322,244.68 = 918,821.20/x - Step 3: Cross multiply
1,682,783.92x = 2,322,244.68 × 918,821.20 - Step 4: Simplify right side
1,682,783.92x = 2,133,727,643,571.22 - Step 5: Solve for x
x = 2,133,727,643,571.22/1,682,783.92 - Step 6: Final answer
x = 1,267,974.82
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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.