Finding the Fourth Proportional to 3,676,305.70, 5,514,458.55 and 1,117,515.70
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Solution
The fourth proportional to 3,676,305.70, 5,514,458.55 and 1,117,515.70 is: 1,676,273.55
Step by Step Solution
- Step 1: Write the proportion equation
3,676,305.70 : 5,514,458.55 = 1,117,515.70 : x - Step 2: Convert to fraction form
3,676,305.70/5,514,458.55 = 1,117,515.70/x - Step 3: Cross multiply
3,676,305.70x = 5,514,458.55 × 1,117,515.70 - Step 4: Simplify right side
3,676,305.70x = 6,162,494,006,624.24 - Step 5: Solve for x
x = 6,162,494,006,624.24/3,676,305.70 - Step 6: Final answer
x = 1,676,273.55
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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.