Finding the Fourth Proportional to 1,351,249.64, 1,863,912.12 and 892,368.44
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Solution
The fourth proportional to 1,351,249.64, 1,863,912.12 and 892,368.44 is: 1,230,931.95
Step by Step Solution
- Step 1: Write the proportion equation
1,351,249.64 : 1,863,912.12 = 892,368.44 : x - Step 2: Convert to fraction form
1,351,249.64/1,863,912.12 = 892,368.44/x - Step 3: Cross multiply
1,351,249.64x = 1,863,912.12 × 892,368.44 - Step 4: Simplify right side
1,351,249.64x = 1,663,296,350,821.49 - Step 5: Solve for x
x = 1,663,296,350,821.49/1,351,249.64 - Step 6: Final answer
x = 1,230,931.95
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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.