Finding the Fourth Proportional to 4,157,514.24, 6,236,285.81 and 1,278,861.54
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Solution
The fourth proportional to 4,157,514.24, 6,236,285.81 and 1,278,861.54 is: 1,918,296.75
Step by Step Solution
- Step 1: Write the proportion equation
4,157,514.24 : 6,236,285.81 = 1,278,861.54 : x - Step 2: Convert to fraction form
4,157,514.24/6,236,285.81 = 1,278,861.54/x - Step 3: Cross multiply
4,157,514.24x = 6,236,285.81 × 1,278,861.54 - Step 4: Simplify right side
4,157,514.24x = 7,975,346,068,462.44 - Step 5: Solve for x
x = 7,975,346,068,462.44/4,157,514.24 - Step 6: Final answer
x = 1,918,296.75
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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.