Finding the Fourth Proportional to 5,455,583.76, 8,183,375.40 and 2,422,236.60
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Solution
The fourth proportional to 5,455,583.76, 8,183,375.40 and 2,422,236.60 is: 3,633,354.79
Step by Step Solution
- Step 1: Write the proportion equation
5,455,583.76 : 8,183,375.40 = 2,422,236.60 : x - Step 2: Convert to fraction form
5,455,583.76/8,183,375.40 = 2,422,236.60/x - Step 3: Cross multiply
5,455,583.76x = 8,183,375.40 × 2,422,236.60 - Step 4: Simplify right side
5,455,583.76x = 19,822,071,405,419.64 - Step 5: Solve for x
x = 19,822,071,405,419.64/5,455,583.76 - Step 6: Final answer
x = 3,633,354.79
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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.