Finding the Fourth Proportional to 2,469,174.09, 3,407,592.58 and 1,381,380.77
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Solution
The fourth proportional to 2,469,174.09, 3,407,592.58 and 1,381,380.77 is: 1,906,379.50
Step by Step Solution
- Step 1: Write the proportion equation
2,469,174.09 : 3,407,592.58 = 1,381,380.77 : x - Step 2: Convert to fraction form
2,469,174.09/3,407,592.58 = 1,381,380.77/x - Step 3: Cross multiply
2,469,174.09x = 3,407,592.58 × 1,381,380.77 - Step 4: Simplify right side
2,469,174.09x = 4,707,182,855,099.78 - Step 5: Solve for x
x = 4,707,182,855,099.78/2,469,174.09 - Step 6: Final answer
x = 1,906,379.50
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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.