Finding the Fourth Proportional to 3,809,618.28, 5,257,099.98 and 2,090,704.68
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Solution
The fourth proportional to 3,809,618.28, 5,257,099.98 and 2,090,704.68 is: 2,885,077.38
Step by Step Solution
- Step 1: Write the proportion equation
3,809,618.28 : 5,257,099.98 = 2,090,704.68 : x - Step 2: Convert to fraction form
3,809,618.28/5,257,099.98 = 2,090,704.68/x - Step 3: Cross multiply
3,809,618.28x = 5,257,099.98 × 2,090,704.68 - Step 4: Simplify right side
3,809,618.28x = 10,991,043,531,413.91 - Step 5: Solve for x
x = 10,991,043,531,413.91/3,809,618.28 - Step 6: Final answer
x = 2,885,077.38
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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.