Finding the Fourth Proportional to 4,135,205.80, 6,202,808.70 and 3,949,201.45
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Solution
The fourth proportional to 4,135,205.80, 6,202,808.70 and 3,949,201.45 is: 5,923,802.18
Step by Step Solution
- Step 1: Write the proportion equation
4,135,205.80 : 6,202,808.70 = 3,949,201.45 : x - Step 2: Convert to fraction form
4,135,205.80/6,202,808.70 = 3,949,201.45/x - Step 3: Cross multiply
4,135,205.80x = 6,202,808.70 × 3,949,201.45 - Step 4: Simplify right side
4,135,205.80x = 24,496,141,112,112.62 - Step 5: Solve for x
x = 24,496,141,112,112.62/4,135,205.80 - Step 6: Final answer
x = 5,923,802.18
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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.