Finding the Fourth Proportional to 3,420,624.99, 4,719,712.92 and 2,043,761.88
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Solution
The fourth proportional to 3,420,624.99, 4,719,712.92 and 2,043,761.88 is: 2,819,943.54
Step by Step Solution
- Step 1: Write the proportion equation
3,420,624.99 : 4,719,712.92 = 2,043,761.88 : x - Step 2: Convert to fraction form
3,420,624.99/4,719,712.92 = 2,043,761.88/x - Step 3: Cross multiply
3,420,624.99x = 4,719,712.92 × 2,043,761.88 - Step 4: Simplify right side
3,420,624.99x = 9,645,969,350,439.49 - Step 5: Solve for x
x = 9,645,969,350,439.49/3,420,624.99 - Step 6: Final answer
x = 2,819,943.54
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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.