Finding the Fourth Proportional to 5,540,556.10, 8,310,834.15 and 4,962,021.70
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Solution
The fourth proportional to 5,540,556.10, 8,310,834.15 and 4,962,021.70 is: 7,443,032.55
Step by Step Solution
- Step 1: Write the proportion equation
5,540,556.10 : 8,310,834.15 = 4,962,021.70 : x - Step 2: Convert to fraction form
5,540,556.10/8,310,834.15 = 4,962,021.70/x - Step 3: Cross multiply
5,540,556.10x = 8,310,834.15 × 4,962,021.70 - Step 4: Simplify right side
5,540,556.10x = 41,238,539,397,401.05 - Step 5: Solve for x
x = 41,238,539,397,401.05/5,540,556.10 - Step 6: Final answer
x = 7,443,032.55
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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.