Finding the Fourth Proportional to 5,560,892.20, 8,330,840.70 and 2,856,010.60
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Solution
The fourth proportional to 5,560,892.20, 8,330,840.70 and 2,856,010.60 is: 4,278,624.45
Step by Step Solution
- Step 1: Write the proportion equation
5,560,892.20 : 8,330,840.70 = 2,856,010.60 : x - Step 2: Convert to fraction form
5,560,892.20/8,330,840.70 = 2,856,010.60/x - Step 3: Cross multiply
5,560,892.20x = 8,330,840.70 × 2,856,010.60 - Step 4: Simplify right side
5,560,892.20x = 23,792,969,346,111.42 - Step 5: Solve for x
x = 23,792,969,346,111.42/5,560,892.20 - Step 6: Final answer
x = 4,278,624.45
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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.