Finding the Fourth Proportional to 2,821,224.46, 3,894,481.57 and 1,904,695.05
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Solution
The fourth proportional to 2,821,224.46, 3,894,481.57 and 1,904,695.05 is: 2,629,283.81
Step by Step Solution
- Step 1: Write the proportion equation
2,821,224.46 : 3,894,481.57 = 1,904,695.05 : x - Step 2: Convert to fraction form
2,821,224.46/3,894,481.57 = 1,904,695.05/x - Step 3: Cross multiply
2,821,224.46x = 3,894,481.57 × 1,904,695.05 - Step 4: Simplify right side
2,821,224.46x = 7,417,799,782,109.10 - Step 5: Solve for x
x = 7,417,799,782,109.10/2,821,224.46 - Step 6: Final answer
x = 2,629,283.81
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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.