Finding the Fourth Proportional to 3,874,112.26, 5,811,168.36 and 1,412,312.74
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Solution
The fourth proportional to 3,874,112.26, 5,811,168.36 and 1,412,312.74 is: 2,118,469.10
Step by Step Solution
- Step 1: Write the proportion equation
3,874,112.26 : 5,811,168.36 = 1,412,312.74 : x - Step 2: Convert to fraction form
3,874,112.26/5,811,168.36 = 1,412,312.74/x - Step 3: Cross multiply
3,874,112.26x = 5,811,168.36 × 1,412,312.74 - Step 4: Simplify right side
3,874,112.26x = 8,207,187,109,112.91 - Step 5: Solve for x
x = 8,207,187,109,112.91/3,874,112.26 - Step 6: Final answer
x = 2,118,469.10
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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.