Finding the Fourth Proportional to 4,920,206.70, 7,380,310.05 and 2,260,814.70
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Solution
The fourth proportional to 4,920,206.70, 7,380,310.05 and 2,260,814.70 is: 3,391,222.05
Step by Step Solution
- Step 1: Write the proportion equation
4,920,206.70 : 7,380,310.05 = 2,260,814.70 : x - Step 2: Convert to fraction form
4,920,206.70/7,380,310.05 = 2,260,814.70/x - Step 3: Cross multiply
4,920,206.70x = 7,380,310.05 × 2,260,814.70 - Step 4: Simplify right side
4,920,206.70x = 16,685,513,451,597.74 - Step 5: Solve for x
x = 16,685,513,451,597.74/4,920,206.70 - Step 6: Final answer
x = 3,391,222.05
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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.