Finding the Fourth Proportional to 4,821,404.69, 6,651,644.36 and 2,755,311.83
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Solution
The fourth proportional to 4,821,404.69, 6,651,644.36 and 2,755,311.83 is: 3,801,247.88
Step by Step Solution
- Step 1: Write the proportion equation
4,821,404.69 : 6,651,644.36 = 2,755,311.83 : x - Step 2: Convert to fraction form
4,821,404.69/6,651,644.36 = 2,755,311.83/x - Step 3: Cross multiply
4,821,404.69x = 6,651,644.36 × 2,755,311.83 - Step 4: Simplify right side
4,821,404.69x = 18,327,354,347,026 - Step 5: Solve for x
x = 18,327,354,347,026/4,821,404.69 - Step 6: Final answer
x = 3,801,247.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.