Finding the Fourth Proportional to 6,418,942.20, 9,628,850.70 and 2,041,734.60
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Solution
The fourth proportional to 6,418,942.20, 9,628,850.70 and 2,041,734.60 is: 3,062,741.03
Step by Step Solution
- Step 1: Write the proportion equation
6,418,942.20 : 9,628,850.70 = 2,041,734.60 : x - Step 2: Convert to fraction form
6,418,942.20/9,628,850.70 = 2,041,734.60/x - Step 3: Cross multiply
6,418,942.20x = 9,628,850.70 × 2,041,734.60 - Step 4: Simplify right side
6,418,942.20x = 19,659,557,632,424.22 - Step 5: Solve for x
x = 19,659,557,632,424.22/6,418,942.20 - Step 6: Final answer
x = 3,062,741.03
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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.