Finding the Fourth Proportional to 4,131,771.90, 6,198,532.65 and 1,252,902.30
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Solution
The fourth proportional to 4,131,771.90, 6,198,532.65 and 1,252,902.30 is: 1,879,618.72
Step by Step Solution
- Step 1: Write the proportion equation
4,131,771.90 : 6,198,532.65 = 1,252,902.30 : x - Step 2: Convert to fraction form
4,131,771.90/6,198,532.65 = 1,252,902.30/x - Step 3: Cross multiply
4,131,771.90x = 6,198,532.65 × 1,252,902.30 - Step 4: Simplify right side
4,131,771.90x = 7,766,155,813,810.10 - Step 5: Solve for x
x = 7,766,155,813,810.10/4,131,771.90 - Step 6: Final answer
x = 1,879,618.72
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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.