Finding the Fourth Proportional to 4,921,805.55, 7,382,708.33 and 2,530,321.05
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Solution
The fourth proportional to 4,921,805.55, 7,382,708.33 and 2,530,321.05 is: 3,795,481.58
Step by Step Solution
- Step 1: Write the proportion equation
4,921,805.55 : 7,382,708.33 = 2,530,321.05 : x - Step 2: Convert to fraction form
4,921,805.55/7,382,708.33 = 2,530,321.05/x - Step 3: Cross multiply
4,921,805.55x = 7,382,708.33 × 2,530,321.05 - Step 4: Simplify right side
4,921,805.55x = 18,680,622,280,757.74 - Step 5: Solve for x
x = 18,680,622,280,757.74/4,921,805.55 - Step 6: Final answer
x = 3,795,481.58
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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.