Finding the Fourth Proportional to 2,170,474.43, 3,253,874.54 and 821,893.68
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Solution
The fourth proportional to 2,170,474.43, 3,253,874.54 and 821,893.68 is: 1,232,144.86
Step by Step Solution
- Step 1: Write the proportion equation
2,170,474.43 : 3,253,874.54 = 821,893.68 : x - Step 2: Convert to fraction form
2,170,474.43/3,253,874.54 = 821,893.68/x - Step 3: Cross multiply
2,170,474.43x = 3,253,874.54 × 821,893.68 - Step 4: Simplify right side
2,170,474.43x = 2,674,338,915,829.44 - Step 5: Solve for x
x = 2,674,338,915,829.44/2,170,474.43 - Step 6: Final answer
x = 1,232,144.86
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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.