Finding the Fourth Proportional to 3,868,448.80, 5,338,224.24 and 2,149,510.56
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Solution
The fourth proportional to 3,868,448.80, 5,338,224.24 and 2,149,510.56 is: 2,966,193.94
Step by Step Solution
- Step 1: Write the proportion equation
3,868,448.80 : 5,338,224.24 = 2,149,510.56 : x - Step 2: Convert to fraction form
3,868,448.80/5,338,224.24 = 2,149,510.56/x - Step 3: Cross multiply
3,868,448.80x = 5,338,224.24 × 2,149,510.56 - Step 4: Simplify right side
3,868,448.80x = 11,474,569,375,527.97 - Step 5: Solve for x
x = 11,474,569,375,527.97/3,868,448.80 - Step 6: Final answer
x = 2,966,193.94
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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.