Finding the Fourth Proportional to 2,121,537.24, 3,177,240.52 and 1,221,086.24
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Solution
The fourth proportional to 2,121,537.24, 3,177,240.52 and 1,221,086.24 is: 1,828,713.92
Step by Step Solution
- Step 1: Write the proportion equation
2,121,537.24 : 3,177,240.52 = 1,221,086.24 : x - Step 2: Convert to fraction form
2,121,537.24/3,177,240.52 = 1,221,086.24/x - Step 3: Cross multiply
2,121,537.24x = 3,177,240.52 × 1,221,086.24 - Step 4: Simplify right side
2,121,537.24x = 3,879,684,680,142.45 - Step 5: Solve for x
x = 3,879,684,680,142.45/2,121,537.24 - Step 6: Final answer
x = 1,828,713.92
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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.