Finding the Fourth Proportional to 2,539,773.76, 3,504,877.60 and 1,393,872.96
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Solution
The fourth proportional to 2,539,773.76, 3,504,877.60 and 1,393,872.96 is: 1,923,539.09
Step by Step Solution
- Step 1: Write the proportion equation
2,539,773.76 : 3,504,877.60 = 1,393,872.96 : x - Step 2: Convert to fraction form
2,539,773.76/3,504,877.60 = 1,393,872.96/x - Step 3: Cross multiply
2,539,773.76x = 3,504,877.60 × 1,393,872.96 - Step 4: Simplify right side
2,539,773.76x = 4,885,354,114,749.70 - Step 5: Solve for x
x = 4,885,354,114,749.70/2,539,773.76 - Step 6: Final answer
x = 1,923,539.09
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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.