Finding the Fourth Proportional to 2,879,794.80, 4,318,525.80 and 985,561.20
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Solution
The fourth proportional to 2,879,794.80, 4,318,525.80 and 985,561.20 is: 1,477,942.62
Step by Step Solution
- Step 1: Write the proportion equation
2,879,794.80 : 4,318,525.80 = 985,561.20 : x - Step 2: Convert to fraction form
2,879,794.80/4,318,525.80 = 985,561.20/x - Step 3: Cross multiply
2,879,794.80x = 4,318,525.80 × 985,561.20 - Step 4: Simplify right side
2,879,794.80x = 4,256,171,469,678.96 - Step 5: Solve for x
x = 4,256,171,469,678.96/2,879,794.80 - Step 6: Final answer
x = 1,477,942.62
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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.