Finding the Fourth Proportional to 2,121,448.72, 3,181,857.18 and 701,512.24
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Solution
The fourth proportional to 2,121,448.72, 3,181,857.18 and 701,512.24 is: 1,052,163.90
Step by Step Solution
- Step 1: Write the proportion equation
2,121,448.72 : 3,181,857.18 = 701,512.24 : x - Step 2: Convert to fraction form
2,121,448.72/3,181,857.18 = 701,512.24/x - Step 3: Cross multiply
2,121,448.72x = 3,181,857.18 × 701,512.24 - Step 4: Simplify right side
2,121,448.72x = 2,232,111,757,701.88 - Step 5: Solve for x
x = 2,232,111,757,701.88/2,121,448.72 - Step 6: Final answer
x = 1,052,163.90
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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.