Finding the Fourth Proportional to 2,539,755.52, 3,504,747.12 and 1,393,813.12
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Solution
The fourth proportional to 2,539,755.52, 3,504,747.12 and 1,393,813.12 is: 1,923,398.72
Step by Step Solution
- Step 1: Write the proportion equation
2,539,755.52 : 3,504,747.12 = 1,393,813.12 : x - Step 2: Convert to fraction form
2,539,755.52/3,504,747.12 = 1,393,813.12/x - Step 3: Cross multiply
2,539,755.52x = 3,504,747.12 × 1,393,813.12 - Step 4: Simplify right side
2,539,755.52x = 4,884,962,518,138.22 - Step 5: Solve for x
x = 4,884,962,518,138.22/2,539,755.52 - Step 6: Final answer
x = 1,923,398.72
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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.