Finding the Fourth Proportional to 2,451,311.79, 3,382,836.05 and 1,348,757.59
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Solution
The fourth proportional to 2,451,311.79, 3,382,836.05 and 1,348,757.59 is: 1,861,299.66
Step by Step Solution
- Step 1: Write the proportion equation
2,451,311.79 : 3,382,836.05 = 1,348,757.59 : x - Step 2: Convert to fraction form
2,451,311.79/3,382,836.05 = 1,348,757.59/x - Step 3: Cross multiply
2,451,311.79x = 3,382,836.05 × 1,348,757.59 - Step 4: Simplify right side
2,451,311.79x = 4,562,625,793,077.92 - Step 5: Solve for x
x = 4,562,625,793,077.92/2,451,311.79 - Step 6: Final answer
x = 1,861,299.66
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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.