Finding the Fourth Proportional to 1,414,554.09, 2,120,551.74 and 515,785.62
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Solution
The fourth proportional to 1,414,554.09, 2,120,551.74 and 515,785.62 is: 773,211.93
Step by Step Solution
- Step 1: Write the proportion equation
1,414,554.09 : 2,120,551.74 = 515,785.62 : x - Step 2: Convert to fraction form
1,414,554.09/2,120,551.74 = 515,785.62/x - Step 3: Cross multiply
1,414,554.09x = 2,120,551.74 × 515,785.62 - Step 4: Simplify right side
1,414,554.09x = 1,093,750,093,957.98 - Step 5: Solve for x
x = 1,093,750,093,957.98/1,414,554.09 - Step 6: Final answer
x = 773,211.93
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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.