Finding the Fourth Proportional to 1,351,954.44, 1,865,680.02 and 815,410.44
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Solution
The fourth proportional to 1,351,954.44, 1,865,680.02 and 815,410.44 is: 1,125,256.09
Step by Step Solution
- Step 1: Write the proportion equation
1,351,954.44 : 1,865,680.02 = 815,410.44 : x - Step 2: Convert to fraction form
1,351,954.44/1,865,680.02 = 815,410.44/x - Step 3: Cross multiply
1,351,954.44x = 1,865,680.02 × 815,410.44 - Step 4: Simplify right side
1,351,954.44x = 1,521,294,966,007.41 - Step 5: Solve for x
x = 1,521,294,966,007.41/1,351,954.44 - Step 6: Final answer
x = 1,125,256.09
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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.