Finding the Fourth Proportional to 6,212,473.20, 8,573,195.52 and 3,496,219.20
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Solution
The fourth proportional to 6,212,473.20, 8,573,195.52 and 3,496,219.20 is: 4,824,772.65
Step by Step Solution
- Step 1: Write the proportion equation
6,212,473.20 : 8,573,195.52 = 3,496,219.20 : x - Step 2: Convert to fraction form
6,212,473.20/8,573,195.52 = 3,496,219.20/x - Step 3: Cross multiply
6,212,473.20x = 8,573,195.52 × 3,496,219.20 - Step 4: Simplify right side
6,212,473.20x = 29,973,770,782,377.98 - Step 5: Solve for x
x = 29,973,770,782,377.98/6,212,473.20 - Step 6: Final answer
x = 4,824,772.65
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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.