Finding the Fourth Proportional to 3,786,231.84, 5,224,973.76 and 2,067,351.36
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Solution
The fourth proportional to 3,786,231.84, 5,224,973.76 and 2,067,351.36 is: 2,852,930.58
Step by Step Solution
- Step 1: Write the proportion equation
3,786,231.84 : 5,224,973.76 = 2,067,351.36 : x - Step 2: Convert to fraction form
3,786,231.84/5,224,973.76 = 2,067,351.36/x - Step 3: Cross multiply
3,786,231.84x = 5,224,973.76 × 2,067,351.36 - Step 4: Simplify right side
3,786,231.84x = 10,801,856,608,700.31 - Step 5: Solve for x
x = 10,801,856,608,700.31/3,786,231.84 - Step 6: Final answer
x = 2,852,930.58
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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.