Finding the Fourth Proportional to 3,541,744.18, 4,886,996.61 and 1,992,790.90
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Solution
The fourth proportional to 3,541,744.18, 4,886,996.61 and 1,992,790.90 is: 2,749,708.02
Step by Step Solution
- Step 1: Write the proportion equation
3,541,744.18 : 4,886,996.61 = 1,992,790.90 : x - Step 2: Convert to fraction form
3,541,744.18/4,886,996.61 = 1,992,790.90/x - Step 3: Cross multiply
3,541,744.18x = 4,886,996.61 × 1,992,790.90 - Step 4: Simplify right side
3,541,744.18x = 9,738,762,372,738.85 - Step 5: Solve for x
x = 9,738,762,372,738.85/3,541,744.18 - Step 6: Final answer
x = 2,749,708.02
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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.