Finding the Fourth Proportional to 3,738,786.92, 5,605,934.20 and 1,461,599.12
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Solution
The fourth proportional to 3,738,786.92, 5,605,934.20 and 1,461,599.12 is: 2,191,520.58
Step by Step Solution
- Step 1: Write the proportion equation
3,738,786.92 : 5,605,934.20 = 1,461,599.12 : x - Step 2: Convert to fraction form
3,738,786.92/5,605,934.20 = 1,461,599.12/x - Step 3: Cross multiply
3,738,786.92x = 5,605,934.20 × 1,461,599.12 - Step 4: Simplify right side
3,738,786.92x = 8,193,628,493,497.91 - Step 5: Solve for x
x = 8,193,628,493,497.91/3,738,786.92 - Step 6: Final answer
x = 2,191,520.58
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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.