Finding the Fourth Proportional to 2,539,813.24, 3,504,939.42 and 1,393,896.52
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Solution
The fourth proportional to 2,539,813.24, 3,504,939.42 and 1,393,896.52 is: 1,923,575.63
Step by Step Solution
- Step 1: Write the proportion equation
2,539,813.24 : 3,504,939.42 = 1,393,896.52 : x - Step 2: Convert to fraction form
2,539,813.24/3,504,939.42 = 1,393,896.52/x - Step 3: Cross multiply
2,539,813.24x = 3,504,939.42 × 1,393,896.52 - Step 4: Simplify right side
2,539,813.24x = 4,885,522,860,348.82 - Step 5: Solve for x
x = 4,885,522,860,348.82/2,539,813.24 - Step 6: Final answer
x = 1,923,575.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.