Finding the Fourth Proportional to 1,603,850.98, 2,213,315.94 and 868,806.90
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Solution
The fourth proportional to 1,603,850.98, 2,213,315.94 and 868,806.90 is: 1,198,954.38
Step by Step Solution
- Step 1: Write the proportion equation
1,603,850.98 : 2,213,315.94 = 868,806.90 : x - Step 2: Convert to fraction form
1,603,850.98/2,213,315.94 = 868,806.90/x - Step 3: Cross multiply
1,603,850.98x = 2,213,315.94 × 868,806.90 - Step 4: Simplify right side
1,603,850.98x = 1,922,944,160,551.99 - Step 5: Solve for x
x = 1,922,944,160,551.99/1,603,850.98 - Step 6: Final answer
x = 1,198,954.38
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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.