Finding the Fourth Proportional to 3,669,468.20, 5,504,202.30 and 3,338,793.80
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Solution
The fourth proportional to 3,669,468.20, 5,504,202.30 and 3,338,793.80 is: 5,008,190.70
Step by Step Solution
- Step 1: Write the proportion equation
3,669,468.20 : 5,504,202.30 = 3,338,793.80 : x - Step 2: Convert to fraction form
3,669,468.20/5,504,202.30 = 3,338,793.80/x - Step 3: Cross multiply
3,669,468.20x = 5,504,202.30 × 3,338,793.80 - Step 4: Simplify right side
3,669,468.20x = 18,377,396,513,185.74 - Step 5: Solve for x
x = 18,377,396,513,185.74/3,669,468.20 - Step 6: Final answer
x = 5,008,190.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.