Finding the Fourth Proportional to 2,539,522.62, 3,504,642.30 and 1,393,643.97
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Solution
The fourth proportional to 2,539,522.62, 3,504,642.30 and 1,393,643.97 is: 1,923,284.15
Step by Step Solution
- Step 1: Write the proportion equation
2,539,522.62 : 3,504,642.30 = 1,393,643.97 : x - Step 2: Convert to fraction form
2,539,522.62/3,504,642.30 = 1,393,643.97/x - Step 3: Cross multiply
2,539,522.62x = 3,504,642.30 × 1,393,643.97 - Step 4: Simplify right side
2,539,522.62x = 4,884,223,608,401.93 - Step 5: Solve for x
x = 4,884,223,608,401.93/2,539,522.62 - Step 6: Final answer
x = 1,923,284.15
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1.5x scale
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.