Finding the Fourth Proportional to 4,288,272.16, 6,418,586.12 and 2,366,161.60
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Solution
The fourth proportional to 4,288,272.16, 6,418,586.12 and 2,366,161.60 is: 3,541,615.70
Step by Step Solution
- Step 1: Write the proportion equation
4,288,272.16 : 6,418,586.12 = 2,366,161.60 : x - Step 2: Convert to fraction form
4,288,272.16/6,418,586.12 = 2,366,161.60/x - Step 3: Cross multiply
4,288,272.16x = 6,418,586.12 × 2,366,161.60 - Step 4: Simplify right side
4,288,272.16x = 15,187,412,003,436.99 - Step 5: Solve for x
x = 15,187,412,003,436.99/4,288,272.16 - Step 6: Final answer
x = 3,541,615.70
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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.