Finding the Fourth Proportional to 1,445,343.36, 1,994,520.90 and 833,521.92
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Solution
The fourth proportional to 1,445,343.36, 1,994,520.90 and 833,521.92 is: 1,150,229.72
Step by Step Solution
- Step 1: Write the proportion equation
1,445,343.36 : 1,994,520.90 = 833,521.92 : x - Step 2: Convert to fraction form
1,445,343.36/1,994,520.90 = 833,521.92/x - Step 3: Cross multiply
1,445,343.36x = 1,994,520.90 × 833,521.92 - Step 4: Simplify right side
1,445,343.36x = 1,662,476,890,048.13 - Step 5: Solve for x
x = 1,662,476,890,048.13/1,445,343.36 - Step 6: Final answer
x = 1,150,229.72
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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.