Finding the Fourth Proportional to 1,683,690.75, 2,526,163.56 and 1,010,255.40
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Solution
The fourth proportional to 1,683,690.75, 2,526,163.56 and 1,010,255.40 is: 1,515,759.58
Step by Step Solution
- Step 1: Write the proportion equation
1,683,690.75 : 2,526,163.56 = 1,010,255.40 : x - Step 2: Convert to fraction form
1,683,690.75/2,526,163.56 = 1,010,255.40/x - Step 3: Cross multiply
1,683,690.75x = 2,526,163.56 × 1,010,255.40 - Step 4: Simplify right side
1,683,690.75x = 2,552,070,377,773.22 - Step 5: Solve for x
x = 2,552,070,377,773.22/1,683,690.75 - Step 6: Final answer
x = 1,515,759.58
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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.