Finding the Fourth Proportional to 4,723,480.20, 7,085,220.30 and 3,305,137.80
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Solution
The fourth proportional to 4,723,480.20, 7,085,220.30 and 3,305,137.80 is: 4,957,706.70
Step by Step Solution
- Step 1: Write the proportion equation
4,723,480.20 : 7,085,220.30 = 3,305,137.80 : x - Step 2: Convert to fraction form
4,723,480.20/7,085,220.30 = 3,305,137.80/x - Step 3: Cross multiply
4,723,480.20x = 7,085,220.30 × 3,305,137.80 - Step 4: Simplify right side
4,723,480.20x = 23,417,629,434,857.34 - Step 5: Solve for x
x = 23,417,629,434,857.34/4,723,480.20 - Step 6: Final answer
x = 4,957,706.70
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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.