Finding the Fourth Proportional to 3,699,190.70, 5,548,786.05 and 1,175,101.10
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Solution
The fourth proportional to 3,699,190.70, 5,548,786.05 and 1,175,101.10 is: 1,762,651.65
Step by Step Solution
- Step 1: Write the proportion equation
3,699,190.70 : 5,548,786.05 = 1,175,101.10 : x - Step 2: Convert to fraction form
3,699,190.70/5,548,786.05 = 1,175,101.10/x - Step 3: Cross multiply
3,699,190.70x = 5,548,786.05 × 1,175,101.10 - Step 4: Simplify right side
3,699,190.70x = 6,520,384,591,019.66 - Step 5: Solve for x
x = 6,520,384,591,019.66/3,699,190.70 - Step 6: Final answer
x = 1,762,651.65
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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.