Finding the Fourth Proportional to 4,345,213.20, 6,520,930.20 and 2,449,942.80
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Solution
The fourth proportional to 4,345,213.20, 6,520,930.20 and 2,449,942.80 is: 3,676,667.92
Step by Step Solution
- Step 1: Write the proportion equation
4,345,213.20 : 6,520,930.20 = 2,449,942.80 : x - Step 2: Convert to fraction form
4,345,213.20/6,520,930.20 = 2,449,942.80/x - Step 3: Cross multiply
4,345,213.20x = 6,520,930.20 × 2,449,942.80 - Step 4: Simplify right side
4,345,213.20x = 15,975,905,992,792.56 - Step 5: Solve for x
x = 15,975,905,992,792.56/4,345,213.20 - Step 6: Final answer
x = 3,676,667.92
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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.