Finding the Fourth Proportional to 2,185,571.16, 3,278,751.21 and 988,057.44
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Solution
The fourth proportional to 2,185,571.16, 3,278,751.21 and 988,057.44 is: 1,482,264.49
Step by Step Solution
- Step 1: Write the proportion equation
2,185,571.16 : 3,278,751.21 = 988,057.44 : x - Step 2: Convert to fraction form
2,185,571.16/3,278,751.21 = 988,057.44/x - Step 3: Cross multiply
2,185,571.16x = 3,278,751.21 × 988,057.44 - Step 4: Simplify right side
2,185,571.16x = 3,239,594,526,949.50 - Step 5: Solve for x
x = 3,239,594,526,949.50/2,185,571.16 - Step 6: Final answer
x = 1,482,264.49
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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.