Finding the Fourth Proportional to 5,068,612.24, 7,603,910.70 and 2,228,716.20
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Solution
The fourth proportional to 5,068,612.24, 7,603,910.70 and 2,228,716.20 is: 3,343,510.64
Step by Step Solution
- Step 1: Write the proportion equation
5,068,612.24 : 7,603,910.70 = 2,228,716.20 : x - Step 2: Convert to fraction form
5,068,612.24/7,603,910.70 = 2,228,716.20/x - Step 3: Cross multiply
5,068,612.24x = 7,603,910.70 × 2,228,716.20 - Step 4: Simplify right side
5,068,612.24x = 16,946,958,960,443.34 - Step 5: Solve for x
x = 16,946,958,960,443.34/5,068,612.24 - Step 6: Final answer
x = 3,343,510.64
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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.