Finding the Fourth Proportional to 3,825,400.35, 5,278,651.05 and 2,171,020.62
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Solution
The fourth proportional to 3,825,400.35, 5,278,651.05 and 2,171,020.62 is: 2,995,780.63
Step by Step Solution
- Step 1: Write the proportion equation
3,825,400.35 : 5,278,651.05 = 2,171,020.62 : x - Step 2: Convert to fraction form
3,825,400.35/5,278,651.05 = 2,171,020.62/x - Step 3: Cross multiply
3,825,400.35x = 5,278,651.05 × 2,171,020.62 - Step 4: Simplify right side
3,825,400.35x = 11,460,060,275,334.65 - Step 5: Solve for x
x = 11,460,060,275,334.65/3,825,400.35 - Step 6: Final answer
x = 2,995,780.63
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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.