Finding the Fourth Proportional to 1,397,514.79, 1,929,169.07 and 962,542.36
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Solution
The fourth proportional to 1,397,514.79, 1,929,169.07 and 962,542.36 is: 1,328,720.79
Step by Step Solution
- Step 1: Write the proportion equation
1,397,514.79 : 1,929,169.07 = 962,542.36 : x - Step 2: Convert to fraction form
1,397,514.79/1,929,169.07 = 962,542.36/x - Step 3: Cross multiply
1,397,514.79x = 1,929,169.07 × 962,542.36 - Step 4: Simplify right side
1,397,514.79x = 1,856,906,949,476.81 - Step 5: Solve for x
x = 1,856,906,949,476.81/1,397,514.79 - Step 6: Final answer
x = 1,328,720.79
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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.