Finding the Fourth Proportional to 2,291,201.20, 3,436,801.80 and 2,255,771.80
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Solution
The fourth proportional to 2,291,201.20, 3,436,801.80 and 2,255,771.80 is: 3,383,657.70
Step by Step Solution
- Step 1: Write the proportion equation
2,291,201.20 : 3,436,801.80 = 2,255,771.80 : x - Step 2: Convert to fraction form
2,291,201.20/3,436,801.80 = 2,255,771.80/x - Step 3: Cross multiply
2,291,201.20x = 3,436,801.80 × 2,255,771.80 - Step 4: Simplify right side
2,291,201.20x = 7,752,640,582,629.24 - Step 5: Solve for x
x = 7,752,640,582,629.24/2,291,201.20 - Step 6: Final answer
x = 3,383,657.70
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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.