Finding the Fourth Proportional to 4,080,789.20, 6,106,668.60 and 3,554,094.80
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Solution
The fourth proportional to 4,080,789.20, 6,106,668.60 and 3,554,094.80 is: 5,318,500.43
Step by Step Solution
- Step 1: Write the proportion equation
4,080,789.20 : 6,106,668.60 = 3,554,094.80 : x - Step 2: Convert to fraction form
4,080,789.20/6,106,668.60 = 3,554,094.80/x - Step 3: Cross multiply
4,080,789.20x = 6,106,668.60 × 3,554,094.80 - Step 4: Simplify right side
4,080,789.20x = 21,703,679,116,583.28 - Step 5: Solve for x
x = 21,703,679,116,583.28/4,080,789.20 - Step 6: Final answer
x = 5,318,500.43
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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.