Finding the Fourth Proportional to 3,682,990.08, 5,082,664.32 and 2,029,205.28
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Solution
The fourth proportional to 3,682,990.08, 5,082,664.32 and 2,029,205.28 is: 2,800,379.33
Step by Step Solution
- Step 1: Write the proportion equation
3,682,990.08 : 5,082,664.32 = 2,029,205.28 : x - Step 2: Convert to fraction form
3,682,990.08/5,082,664.32 = 2,029,205.28/x - Step 3: Cross multiply
3,682,990.08x = 5,082,664.32 × 2,029,205.28 - Step 4: Simplify right side
3,682,990.08x = 10,313,769,274,611.61 - Step 5: Solve for x
x = 10,313,769,274,611.61/3,682,990.08 - Step 6: Final answer
x = 2,800,379.33
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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.