Finding the Fourth Proportional to 3,179,544.80, 4,770,894.67 and 1,260,415.44
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Solution
The fourth proportional to 3,179,544.80, 4,770,894.67 and 1,260,415.44 is: 1,891,248.49
Step by Step Solution
- Step 1: Write the proportion equation
3,179,544.80 : 4,770,894.67 = 1,260,415.44 : x - Step 2: Convert to fraction form
3,179,544.80/4,770,894.67 = 1,260,415.44/x - Step 3: Cross multiply
3,179,544.80x = 4,770,894.67 × 1,260,415.44 - Step 4: Simplify right side
3,179,544.80x = 6,013,309,310,645.32 - Step 5: Solve for x
x = 6,013,309,310,645.32/3,179,544.80 - Step 6: Final answer
x = 1,891,248.49
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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.