Finding the Fourth Proportional to 3,378,715.70, 5,068,031.26 and 819,951.84
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Solution
The fourth proportional to 3,378,715.70, 5,068,031.26 and 819,951.84 is: 1,229,917.50
Step by Step Solution
- Step 1: Write the proportion equation
3,378,715.70 : 5,068,031.26 = 819,951.84 : x - Step 2: Convert to fraction form
3,378,715.70/5,068,031.26 = 819,951.84/x - Step 3: Cross multiply
3,378,715.70x = 5,068,031.26 × 819,951.84 - Step 4: Simplify right side
3,378,715.70x = 4,155,541,556,814.52 - Step 5: Solve for x
x = 4,155,541,556,814.52/3,378,715.70 - Step 6: Final answer
x = 1,229,917.50
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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.