Finding the Fourth Proportional to 3,701,586.88, 5,106,138.24 and 2,152,678.96
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Solution
The fourth proportional to 3,701,586.88, 5,106,138.24 and 2,152,678.96 is: 2,969,503.81
Step by Step Solution
- Step 1: Write the proportion equation
3,701,586.88 : 5,106,138.24 = 2,152,678.96 : x - Step 2: Convert to fraction form
3,701,586.88/5,106,138.24 = 2,152,678.96/x - Step 3: Cross multiply
3,701,586.88x = 5,106,138.24 × 2,152,678.96 - Step 4: Simplify right side
3,701,586.88x = 10,991,876,356,099.43 - Step 5: Solve for x
x = 10,991,876,356,099.43/3,701,586.88 - Step 6: Final answer
x = 2,969,503.81
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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.