Finding the Fourth Proportional to 3,974,976.20, 5,962,464.30 and 2,774,361.80
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Solution
The fourth proportional to 3,974,976.20, 5,962,464.30 and 2,774,361.80 is: 4,161,542.70
Step by Step Solution
- Step 1: Write the proportion equation
3,974,976.20 : 5,962,464.30 = 2,774,361.80 : x - Step 2: Convert to fraction form
3,974,976.20/5,962,464.30 = 2,774,361.80/x - Step 3: Cross multiply
3,974,976.20x = 5,962,464.30 × 2,774,361.80 - Step 4: Simplify right side
3,974,976.20x = 16,542,033,187,783.74 - Step 5: Solve for x
x = 16,542,033,187,783.74/3,974,976.20 - Step 6: Final answer
x = 4,161,542.70
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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.