Finding the Fourth Proportional to 3,161,717.70, 4,363,181.34 and 1,711,412.75
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Solution
The fourth proportional to 3,161,717.70, 4,363,181.34 and 1,711,412.75 is: 2,361,755.50
Step by Step Solution
- Step 1: Write the proportion equation
3,161,717.70 : 4,363,181.34 = 1,711,412.75 : x - Step 2: Convert to fraction form
3,161,717.70/4,363,181.34 = 1,711,412.75/x - Step 3: Cross multiply
3,161,717.70x = 4,363,181.34 × 1,711,412.75 - Step 4: Simplify right side
3,161,717.70x = 7,467,204,180,328.24 - Step 5: Solve for x
x = 7,467,204,180,328.24/3,161,717.70 - Step 6: Final answer
x = 2,361,755.50
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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.