Finding the Fourth Proportional to 3,188,862.24, 4,398,141.60 and 2,043,049.92
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Solution
The fourth proportional to 3,188,862.24, 4,398,141.60 and 2,043,049.92 is: 2,817,814.68
Step by Step Solution
- Step 1: Write the proportion equation
3,188,862.24 : 4,398,141.60 = 2,043,049.92 : x - Step 2: Convert to fraction form
3,188,862.24/4,398,141.60 = 2,043,049.92/x - Step 3: Cross multiply
3,188,862.24x = 4,398,141.60 × 2,043,049.92 - Step 4: Simplify right side
3,188,862.24x = 8,985,622,844,028.67 - Step 5: Solve for x
x = 8,985,622,844,028.67/3,188,862.24 - Step 6: Final answer
x = 2,817,814.68
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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.