Finding the Fourth Proportional to 3,394,861.74, 5,091,576.84 and 998,055.54
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Solution
The fourth proportional to 3,394,861.74, 5,091,576.84 and 998,055.54 is: 1,496,872.88
Step by Step Solution
- Step 1: Write the proportion equation
3,394,861.74 : 5,091,576.84 = 998,055.54 : x - Step 2: Convert to fraction form
3,394,861.74/5,091,576.84 = 998,055.54/x - Step 3: Cross multiply
3,394,861.74x = 5,091,576.84 × 998,055.54 - Step 4: Simplify right side
3,394,861.74x = 5,081,676,472,497.69 - Step 5: Solve for x
x = 5,081,676,472,497.69/3,394,861.74 - Step 6: Final answer
x = 1,496,872.88
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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.