Finding the Fourth Proportional to 3,672,129.60, 5,504,695.20 and 2,862,064.80
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Solution
The fourth proportional to 3,672,129.60, 5,504,695.20 and 2,862,064.80 is: 4,290,369.92
Step by Step Solution
- Step 1: Write the proportion equation
3,672,129.60 : 5,504,695.20 = 2,862,064.80 : x - Step 2: Convert to fraction form
3,672,129.60/5,504,695.20 = 2,862,064.80/x - Step 3: Cross multiply
3,672,129.60x = 5,504,695.20 × 2,862,064.80 - Step 4: Simplify right side
3,672,129.60x = 15,754,794,366,648.96 - Step 5: Solve for x
x = 15,754,794,366,648.96/3,672,129.60 - Step 6: Final answer
x = 4,290,369.92
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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.