Finding the Fourth Proportional to 1,621,161.82, 2,432,168.62 and 582,617.11
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Solution
The fourth proportional to 1,621,161.82, 2,432,168.62 and 582,617.11 is: 874,078.72
Step by Step Solution
- Step 1: Write the proportion equation
1,621,161.82 : 2,432,168.62 = 582,617.11 : x - Step 2: Convert to fraction form
1,621,161.82/2,432,168.62 = 582,617.11/x - Step 3: Cross multiply
1,621,161.82x = 2,432,168.62 × 582,617.11 - Step 4: Simplify right side
1,621,161.82x = 1,417,023,053,406.19 - Step 5: Solve for x
x = 1,417,023,053,406.19/1,621,161.82 - Step 6: Final answer
x = 874,078.72
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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.