Finding the Fourth Proportional to 3,604,912.22, 5,403,631.44 and 2,253,972.54
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Solution
The fourth proportional to 3,604,912.22, 5,403,631.44 and 2,253,972.54 is: 3,378,622.32
Step by Step Solution
- Step 1: Write the proportion equation
3,604,912.22 : 5,403,631.44 = 2,253,972.54 : x - Step 2: Convert to fraction form
3,604,912.22/5,403,631.44 = 2,253,972.54/x - Step 3: Cross multiply
3,604,912.22x = 5,403,631.44 × 2,253,972.54 - Step 4: Simplify right side
3,604,912.22x = 12,179,636,882,040.66 - Step 5: Solve for x
x = 12,179,636,882,040.66/3,604,912.22 - Step 6: Final answer
x = 3,378,622.32
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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.