Finding the Fourth Proportional to 4,894,481.70, 7,341,722.55 and 4,170,147.30
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Solution
The fourth proportional to 4,894,481.70, 7,341,722.55 and 4,170,147.30 is: 6,255,220.95
Step by Step Solution
- Step 1: Write the proportion equation
4,894,481.70 : 7,341,722.55 = 4,170,147.30 : x - Step 2: Convert to fraction form
4,894,481.70/7,341,722.55 = 4,170,147.30/x - Step 3: Cross multiply
4,894,481.70x = 7,341,722.55 × 4,170,147.30 - Step 4: Simplify right side
4,894,481.70x = 30,616,064,469,231.61 - Step 5: Solve for x
x = 30,616,064,469,231.61/4,894,481.70 - Step 6: Final answer
x = 6,255,220.95
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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.