Finding the Fourth Proportional to 3,102,240.70, 4,653,464.74 and 858,190.78
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Solution
The fourth proportional to 3,102,240.70, 4,653,464.74 and 858,190.78 is: 1,287,314.85
Step by Step Solution
- Step 1: Write the proportion equation
3,102,240.70 : 4,653,464.74 = 858,190.78 : x - Step 2: Convert to fraction form
3,102,240.70/4,653,464.74 = 858,190.78/x - Step 3: Cross multiply
3,102,240.70x = 4,653,464.74 × 858,190.78 - Step 4: Simplify right side
3,102,240.70x = 3,993,560,534,923.10 - Step 5: Solve for x
x = 3,993,560,534,923.10/3,102,240.70 - Step 6: Final answer
x = 1,287,314.85
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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.