Finding the Fourth Proportional to 2,207,416.42, 3,309,338.85 and 690,318.82
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Solution
The fourth proportional to 2,207,416.42, 3,309,338.85 and 690,318.82 is: 1,034,919.77
Step by Step Solution
- Step 1: Write the proportion equation
2,207,416.42 : 3,309,338.85 = 690,318.82 : x - Step 2: Convert to fraction form
2,207,416.42/3,309,338.85 = 690,318.82/x - Step 3: Cross multiply
2,207,416.42x = 3,309,338.85 × 690,318.82 - Step 4: Simplify right side
2,207,416.42x = 2,284,498,889,912.16 - Step 5: Solve for x
x = 2,284,498,889,912.16/2,207,416.42 - Step 6: Final answer
x = 1,034,919.77
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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.