Finding the Fourth Proportional to 5,467,951.70, 8,201,927.55 and 2,279,305.70
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Solution
The fourth proportional to 5,467,951.70, 8,201,927.55 and 2,279,305.70 is: 3,418,958.55
Step by Step Solution
- Step 1: Write the proportion equation
5,467,951.70 : 8,201,927.55 = 2,279,305.70 : x - Step 2: Convert to fraction form
5,467,951.70/8,201,927.55 = 2,279,305.70/x - Step 3: Cross multiply
5,467,951.70x = 8,201,927.55 × 2,279,305.70 - Step 4: Simplify right side
5,467,951.70x = 18,694,700,215,702.04 - Step 5: Solve for x
x = 18,694,700,215,702.04/5,467,951.70 - Step 6: Final answer
x = 3,418,958.55
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1.5x scale
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.