Finding the Fourth Proportional to 3,693,604.14, 5,540,722.05 and 1,297,240.14
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Solution
The fourth proportional to 3,693,604.14, 5,540,722.05 and 1,297,240.14 is: 1,945,971.14
Step by Step Solution
- Step 1: Write the proportion equation
3,693,604.14 : 5,540,722.05 = 1,297,240.14 : x - Step 2: Convert to fraction form
3,693,604.14/5,540,722.05 = 1,297,240.14/x - Step 3: Cross multiply
3,693,604.14x = 5,540,722.05 × 1,297,240.14 - Step 4: Simplify right side
3,693,604.14x = 7,187,647,047,843.09 - Step 5: Solve for x
x = 7,187,647,047,843.09/3,693,604.14 - Step 6: Final answer
x = 1,945,971.14
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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.