Finding the Fourth Proportional to 3,846,612.80, 5,769,919.20 and 3,669,465.80
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Solution
The fourth proportional to 3,846,612.80, 5,769,919.20 and 3,669,465.80 is: 5,504,198.70
Step by Step Solution
- Step 1: Write the proportion equation
3,846,612.80 : 5,769,919.20 = 3,669,465.80 : x - Step 2: Convert to fraction form
3,846,612.80/5,769,919.20 = 3,669,465.80/x - Step 3: Cross multiply
3,846,612.80x = 5,769,919.20 × 3,669,465.80 - Step 4: Simplify right side
3,846,612.80x = 21,172,521,173,163.36 - Step 5: Solve for x
x = 21,172,521,173,163.36/3,846,612.80 - Step 6: Final answer
x = 5,504,198.70
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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.