Finding the Fourth Proportional to 4,086,563.80, 6,129,845.70 and 3,448,834.60
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Solution
The fourth proportional to 4,086,563.80, 6,129,845.70 and 3,448,834.60 is: 5,173,251.90
Step by Step Solution
- Step 1: Write the proportion equation
4,086,563.80 : 6,129,845.70 = 3,448,834.60 : x - Step 2: Convert to fraction form
4,086,563.80/6,129,845.70 = 3,448,834.60/x - Step 3: Cross multiply
4,086,563.80x = 6,129,845.70 × 3,448,834.60 - Step 4: Simplify right side
4,086,563.80x = 21,140,823,942,821.22 - Step 5: Solve for x
x = 21,140,823,942,821.22/4,086,563.80 - Step 6: Final answer
x = 5,173,251.90
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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.