Finding the Fourth Proportional to 3,611,450.66, 4,983,770.07 and 1,979,828.36
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Solution
The fourth proportional to 3,611,450.66, 4,983,770.07 and 1,979,828.36 is: 2,732,145.68
Step by Step Solution
- Step 1: Write the proportion equation
3,611,450.66 : 4,983,770.07 = 1,979,828.36 : x - Step 2: Convert to fraction form
3,611,450.66/4,983,770.07 = 1,979,828.36/x - Step 3: Cross multiply
3,611,450.66x = 4,983,770.07 × 1,979,828.36 - Step 4: Simplify right side
3,611,450.66x = 9,867,009,324,305.19 - Step 5: Solve for x
x = 9,867,009,324,305.19/3,611,450.66 - Step 6: Final answer
x = 2,732,145.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.