Finding the Fourth Proportional to 3,015,033.54, 4,158,879.84 and 1,982,659.92
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Solution
The fourth proportional to 3,015,033.54, 4,158,879.84 and 1,982,659.92 is: 2,734,843.33
Step by Step Solution
- Step 1: Write the proportion equation
3,015,033.54 : 4,158,879.84 = 1,982,659.92 : x - Step 2: Convert to fraction form
3,015,033.54/4,158,879.84 = 1,982,659.92/x - Step 3: Cross multiply
3,015,033.54x = 4,158,879.84 × 1,982,659.92 - Step 4: Simplify right side
3,015,033.54x = 8,245,644,370,864.01 - Step 5: Solve for x
x = 8,245,644,370,864.01/3,015,033.54 - Step 6: Final answer
x = 2,734,843.33
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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.