Finding the Fourth Proportional to 4,375,608.10, 6,552,914.55 and 2,129,121.70
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Solution
The fourth proportional to 4,375,608.10, 6,552,914.55 and 2,129,121.70 is: 3,188,574.54
Step by Step Solution
- Step 1: Write the proportion equation
4,375,608.10 : 6,552,914.55 = 2,129,121.70 : x - Step 2: Convert to fraction form
4,375,608.10/6,552,914.55 = 2,129,121.70/x - Step 3: Cross multiply
4,375,608.10x = 6,552,914.55 × 2,129,121.70 - Step 4: Simplify right side
4,375,608.10x = 13,951,952,566,650.74 - Step 5: Solve for x
x = 13,951,952,566,650.74/4,375,608.10 - Step 6: Final answer
x = 3,188,574.54
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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.