Finding the Fourth Proportional to 3,217,205.54, 4,825,805.58 and 821,049.99
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Solution
The fourth proportional to 3,217,205.54, 4,825,805.58 and 821,049.99 is: 1,231,574.29
Step by Step Solution
- Step 1: Write the proportion equation
3,217,205.54 : 4,825,805.58 = 821,049.99 : x - Step 2: Convert to fraction form
3,217,205.54/4,825,805.58 = 821,049.99/x - Step 3: Cross multiply
3,217,205.54x = 4,825,805.58 × 821,049.99 - Step 4: Simplify right side
3,217,205.54x = 3,962,227,623,200.94 - Step 5: Solve for x
x = 3,962,227,623,200.94/3,217,205.54 - Step 6: Final answer
x = 1,231,574.29
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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.