Finding the Fourth Proportional to 1,603,166.26, 2,212,369.41 and 878,015.68
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Solution
The fourth proportional to 1,603,166.26, 2,212,369.41 and 878,015.68 is: 1,211,661.62
Step by Step Solution
- Step 1: Write the proportion equation
1,603,166.26 : 2,212,369.41 = 878,015.68 : x - Step 2: Convert to fraction form
1,603,166.26/2,212,369.41 = 878,015.68/x - Step 3: Cross multiply
1,603,166.26x = 2,212,369.41 × 878,015.68 - Step 4: Simplify right side
1,603,166.26x = 1,942,495,031,932.35 - Step 5: Solve for x
x = 1,942,495,031,932.35/1,603,166.26 - Step 6: Final answer
x = 1,211,661.62
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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.