Finding the Fourth Proportional to 2,080,120.86, 2,871,450.68 and 1,264,584.96
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Solution
The fourth proportional to 2,080,120.86, 2,871,450.68 and 1,264,584.96 is: 1,745,664.59
Step by Step Solution
- Step 1: Write the proportion equation
2,080,120.86 : 2,871,450.68 = 1,264,584.96 : x - Step 2: Convert to fraction form
2,080,120.86/2,871,450.68 = 1,264,584.96/x - Step 3: Cross multiply
2,080,120.86x = 2,871,450.68 × 1,264,584.96 - Step 4: Simplify right side
2,080,120.86x = 3,631,193,336,986.85 - Step 5: Solve for x
x = 3,631,193,336,986.85/2,080,120.86 - Step 6: Final answer
x = 1,745,664.59
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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.