Finding the Fourth Proportional to 3,612,087.99, 4,984,905.38 and 2,002,455.99
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Solution
The fourth proportional to 3,612,087.99, 4,984,905.38 and 2,002,455.99 is: 2,763,513.42
Step by Step Solution
- Step 1: Write the proportion equation
3,612,087.99 : 4,984,905.38 = 2,002,455.99 : x - Step 2: Convert to fraction form
3,612,087.99/4,984,905.38 = 2,002,455.99/x - Step 3: Cross multiply
3,612,087.99x = 4,984,905.38 × 2,002,455.99 - Step 4: Simplify right side
3,612,087.99x = 9,982,053,627,751.95 - Step 5: Solve for x
x = 9,982,053,627,751.95/3,612,087.99 - Step 6: Final answer
x = 2,763,513.42
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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.