Finding the Fourth Proportional to 3,483,879.60, 5,223,785.49 and 1,351,471.98
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Solution
The fourth proportional to 3,483,879.60, 5,223,785.49 and 1,351,471.98 is: 2,026,418.97
Step by Step Solution
- Step 1: Write the proportion equation
3,483,879.60 : 5,223,785.49 = 1,351,471.98 : x - Step 2: Convert to fraction form
3,483,879.60/5,223,785.49 = 1,351,471.98/x - Step 3: Cross multiply
3,483,879.60x = 5,223,785.49 × 1,351,471.98 - Step 4: Simplify right side
3,483,879.60x = 7,059,799,719,265.57 - Step 5: Solve for x
x = 7,059,799,719,265.57/3,483,879.60 - Step 6: Final answer
x = 2,026,418.97
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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.