Finding the Fourth Proportional to 4,135,207.80, 6,202,811.70 and 3,949,203.45
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Solution
The fourth proportional to 4,135,207.80, 6,202,811.70 and 3,949,203.45 is: 5,923,805.18
Step by Step Solution
- Step 1: Write the proportion equation
4,135,207.80 : 6,202,811.70 = 3,949,203.45 : x - Step 2: Convert to fraction form
4,135,207.80/6,202,811.70 = 3,949,203.45/x - Step 3: Cross multiply
4,135,207.80x = 6,202,811.70 × 3,949,203.45 - Step 4: Simplify right side
4,135,207.80x = 24,496,165,365,340.37 - Step 5: Solve for x
x = 24,496,165,365,340.37/4,135,207.80 - Step 6: Final answer
x = 5,923,805.18
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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.