Finding the Fourth Proportional to 4,660,715.64, 6,983,951.70 and 3,138,771
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Solution
The fourth proportional to 4,660,715.64, 6,983,951.70 and 3,138,771 is: 4,703,360.33
Step by Step Solution
- Step 1: Write the proportion equation
4,660,715.64 : 6,983,951.70 = 3,138,771 : x - Step 2: Convert to fraction form
4,660,715.64/6,983,951.70 = 3,138,771/x - Step 3: Cross multiply
4,660,715.64x = 6,983,951.70 × 3,138,771 - Step 4: Simplify right side
4,660,715.64x = 21,921,025,061,360.70 - Step 5: Solve for x
x = 21,921,025,061,360.70/4,660,715.64 - Step 6: Final answer
x = 4,703,360.33
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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.