Finding the Fourth Proportional to 1,414,558.09, 2,120,557.74 and 515,789.62
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Solution
The fourth proportional to 1,414,558.09, 2,120,557.74 and 515,789.62 is: 773,217.92
Step by Step Solution
- Step 1: Write the proportion equation
1,414,558.09 : 2,120,557.74 = 515,789.62 : x - Step 2: Convert to fraction form
1,414,558.09/2,120,557.74 = 515,789.62/x - Step 3: Cross multiply
1,414,558.09x = 2,120,557.74 × 515,789.62 - Step 4: Simplify right side
1,414,558.09x = 1,093,761,670,902.66 - Step 5: Solve for x
x = 1,093,761,670,902.66/1,414,558.09 - Step 6: Final answer
x = 773,217.92
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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.