Finding the Fourth Proportional to 3,761,621.13, 5,192,626.20 and 2,539,581.87
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Solution
The fourth proportional to 3,761,621.13, 5,192,626.20 and 2,539,581.87 is: 3,505,695.79
Step by Step Solution
- Step 1: Write the proportion equation
3,761,621.13 : 5,192,626.20 = 2,539,581.87 : x - Step 2: Convert to fraction form
3,761,621.13/5,192,626.20 = 2,539,581.87/x - Step 3: Cross multiply
3,761,621.13x = 5,192,626.20 × 2,539,581.87 - Step 4: Simplify right side
3,761,621.13x = 13,187,099,355,206.99 - Step 5: Solve for x
x = 13,187,099,355,206.99/3,761,621.13 - Step 6: Final answer
x = 3,505,695.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.