Finding the Fourth Proportional to 1,478,675.18, 2,040,571.78 and 799,611.68
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Solution
The fourth proportional to 1,478,675.18, 2,040,571.78 and 799,611.68 is: 1,103,464.14
Step by Step Solution
- Step 1: Write the proportion equation
1,478,675.18 : 2,040,571.78 = 799,611.68 : x - Step 2: Convert to fraction form
1,478,675.18/2,040,571.78 = 799,611.68/x - Step 3: Cross multiply
1,478,675.18x = 2,040,571.78 × 799,611.68 - Step 4: Simplify right side
1,478,675.18x = 1,631,665,029,166.39 - Step 5: Solve for x
x = 1,631,665,029,166.39/1,478,675.18 - Step 6: Final answer
x = 1,103,464.14
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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.