Finding the Fourth Proportional to 3,821,819.58, 5,273,508.66 and 2,189,913.12
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Solution
The fourth proportional to 3,821,819.58, 5,273,508.66 and 2,189,913.12 is: 3,021,734.95
Step by Step Solution
- Step 1: Write the proportion equation
3,821,819.58 : 5,273,508.66 = 2,189,913.12 : x - Step 2: Convert to fraction form
3,821,819.58/5,273,508.66 = 2,189,913.12/x - Step 3: Cross multiply
3,821,819.58x = 5,273,508.66 × 2,189,913.12 - Step 4: Simplify right side
3,821,819.58x = 11,548,525,802,967.62 - Step 5: Solve for x
x = 11,548,525,802,967.62/3,821,819.58 - Step 6: Final answer
x = 3,021,734.95
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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.