Finding the Fourth Proportional to 1,436,786.84, 2,151,917.82 and 1,114,350.44
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Solution
The fourth proportional to 1,436,786.84, 2,151,917.82 and 1,114,350.44 is: 1,668,995.36
Step by Step Solution
- Step 1: Write the proportion equation
1,436,786.84 : 2,151,917.82 = 1,114,350.44 : x - Step 2: Convert to fraction form
1,436,786.84/2,151,917.82 = 1,114,350.44/x - Step 3: Cross multiply
1,436,786.84x = 2,151,917.82 × 1,114,350.44 - Step 4: Simplify right side
1,436,786.84x = 2,397,990,569,560.84 - Step 5: Solve for x
x = 2,397,990,569,560.84/1,436,786.84 - Step 6: Final answer
x = 1,668,995.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.