Finding the Fourth Proportional to 2,539,518.28, 3,504,362.68 and 1,393,672.44
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Solution
The fourth proportional to 2,539,518.28, 3,504,362.68 and 1,393,672.44 is: 1,923,173.27
Step by Step Solution
- Step 1: Write the proportion equation
2,539,518.28 : 3,504,362.68 = 1,393,672.44 : x - Step 2: Convert to fraction form
2,539,518.28/3,504,362.68 = 1,393,672.44/x - Step 3: Cross multiply
2,539,518.28x = 3,504,362.68 × 1,393,672.44 - Step 4: Simplify right side
2,539,518.28x = 4,883,933,686,880.54 - Step 5: Solve for x
x = 4,883,933,686,880.54/2,539,518.28 - Step 6: Final answer
x = 1,923,173.27
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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.