Finding the Fourth Proportional to 3,892,451.66, 5,371,561.88 and 2,150,240.99
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Solution
The fourth proportional to 3,892,451.66, 5,371,561.88 and 2,150,240.99 is: 2,967,320.73
Step by Step Solution
- Step 1: Write the proportion equation
3,892,451.66 : 5,371,561.88 = 2,150,240.99 : x - Step 2: Convert to fraction form
3,892,451.66/5,371,561.88 = 2,150,240.99/x - Step 3: Cross multiply
3,892,451.66x = 5,371,561.88 × 2,150,240.99 - Step 4: Simplify right side
3,892,451.66x = 11,550,152,505,151.85 - Step 5: Solve for x
x = 11,550,152,505,151.85/3,892,451.66 - Step 6: Final answer
x = 2,967,320.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.