Finding the Fourth Proportional to 1,538,837.75, 2,123,529.97 and 850,474.03
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Solution
The fourth proportional to 1,538,837.75, 2,123,529.97 and 850,474.03 is: 1,173,617.62
Step by Step Solution
- Step 1: Write the proportion equation
1,538,837.75 : 2,123,529.97 = 850,474.03 : x - Step 2: Convert to fraction form
1,538,837.75/2,123,529.97 = 850,474.03/x - Step 3: Cross multiply
1,538,837.75x = 2,123,529.97 × 850,474.03 - Step 4: Simplify right side
1,538,837.75x = 1,806,007,089,552.93 - Step 5: Solve for x
x = 1,806,007,089,552.93/1,538,837.75 - Step 6: Final answer
x = 1,173,617.62
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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.