Finding the Fourth Proportional to 4,120,514.70, 6,180,772.05 and 3,910,562.70
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Solution
The fourth proportional to 4,120,514.70, 6,180,772.05 and 3,910,562.70 is: 5,865,844.05
Step by Step Solution
- Step 1: Write the proportion equation
4,120,514.70 : 6,180,772.05 = 3,910,562.70 : x - Step 2: Convert to fraction form
4,120,514.70/6,180,772.05 = 3,910,562.70/x - Step 3: Cross multiply
4,120,514.70x = 6,180,772.05 × 3,910,562.70 - Step 4: Simplify right side
4,120,514.70x = 24,170,296,635,932.54 - Step 5: Solve for x
x = 24,170,296,635,932.54/4,120,514.70 - Step 6: Final answer
x = 5,865,844.05
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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.