Finding the Fourth Proportional to 4,080,306.80, 6,115,211.40 and 2,481,172.40
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Solution
The fourth proportional to 4,080,306.80, 6,115,211.40 and 2,481,172.40 is: 3,718,566.88
Step by Step Solution
- Step 1: Write the proportion equation
4,080,306.80 : 6,115,211.40 = 2,481,172.40 : x - Step 2: Convert to fraction form
4,080,306.80/6,115,211.40 = 2,481,172.40/x - Step 3: Cross multiply
4,080,306.80x = 6,115,211.40 × 2,481,172.40 - Step 4: Simplify right side
4,080,306.80x = 15,172,893,745,845.36 - Step 5: Solve for x
x = 15,172,893,745,845.36/4,080,306.80 - Step 6: Final answer
x = 3,718,566.88
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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.