Finding the Fourth Proportional to 3,937,217.10, 5,434,064.19 and 2,305,529.21
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Solution
The fourth proportional to 3,937,217.10, 5,434,064.19 and 2,305,529.21 is: 3,182,042.89
Step by Step Solution
- Step 1: Write the proportion equation
3,937,217.10 : 5,434,064.19 = 2,305,529.21 : x - Step 2: Convert to fraction form
3,937,217.10/5,434,064.19 = 2,305,529.21/x - Step 3: Cross multiply
3,937,217.10x = 5,434,064.19 × 2,305,529.21 - Step 4: Simplify right side
3,937,217.10x = 12,528,393,691,889.67 - Step 5: Solve for x
x = 12,528,393,691,889.67/3,937,217.10 - Step 6: Final answer
x = 3,182,042.89
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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.