Finding the Fourth Proportional to 1,826,921.80, 2,734,922.85 and 1,105,078.99
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Solution
The fourth proportional to 1,826,921.80, 2,734,922.85 and 1,105,078.99 is: 1,654,315.90
Step by Step Solution
- Step 1: Write the proportion equation
1,826,921.80 : 2,734,922.85 = 1,105,078.99 : x - Step 2: Convert to fraction form
1,826,921.80/2,734,922.85 = 1,105,078.99/x - Step 3: Cross multiply
1,826,921.80x = 2,734,922.85 × 1,105,078.99 - Step 4: Simplify right side
1,826,921.80x = 3,022,305,780,805.92 - Step 5: Solve for x
x = 3,022,305,780,805.92/1,826,921.80 - Step 6: Final answer
x = 1,654,315.90
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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.