Finding the Fourth Proportional to 1,368,168.75, 2,052,585.29 and 421,539.44
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Solution
The fourth proportional to 1,368,168.75, 2,052,585.29 and 421,539.44 is: 632,411.49
Step by Step Solution
- Step 1: Write the proportion equation
1,368,168.75 : 2,052,585.29 = 421,539.44 : x - Step 2: Convert to fraction form
1,368,168.75/2,052,585.29 = 421,539.44/x - Step 3: Cross multiply
1,368,168.75x = 2,052,585.29 × 421,539.44 - Step 4: Simplify right side
1,368,168.75x = 865,245,644,489.76 - Step 5: Solve for x
x = 865,245,644,489.76/1,368,168.75 - Step 6: Final answer
x = 632,411.49
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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.