Finding the Fourth Proportional to 1,514,578.40, 2,273,408.10 and 756,963.42
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Solution
The fourth proportional to 1,514,578.40, 2,273,408.10 and 756,963.42 is: 1,136,215.05
Step by Step Solution
- Step 1: Write the proportion equation
1,514,578.40 : 2,273,408.10 = 756,963.42 : x - Step 2: Convert to fraction form
1,514,578.40/2,273,408.10 = 756,963.42/x - Step 3: Cross multiply
1,514,578.40x = 2,273,408.10 × 756,963.42 - Step 4: Simplify right side
1,514,578.40x = 1,720,886,770,431.70 - Step 5: Solve for x
x = 1,720,886,770,431.70/1,514,578.40 - Step 6: Final answer
x = 1,136,215.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.