Finding the Fourth Proportional to 1,526,578.62, 2,106,716.49 and 838,318.38
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Solution
The fourth proportional to 1,526,578.62, 2,106,716.49 and 838,318.38 is: 1,156,900.23
Step by Step Solution
- Step 1: Write the proportion equation
1,526,578.62 : 2,106,716.49 = 838,318.38 : x - Step 2: Convert to fraction form
1,526,578.62/2,106,716.49 = 838,318.38/x - Step 3: Cross multiply
1,526,578.62x = 2,106,716.49 × 838,318.38 - Step 4: Simplify right side
1,526,578.62x = 1,766,099,155,016.09 - Step 5: Solve for x
x = 1,766,099,155,016.09/1,526,578.62 - Step 6: Final answer
x = 1,156,900.23
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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.