Finding the Fourth Proportional to 2,212,540.21, 3,318,805.69 and 696,355.65
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Solution
The fourth proportional to 2,212,540.21, 3,318,805.69 and 696,355.65 is: 1,044,532.01
Step by Step Solution
- Step 1: Write the proportion equation
2,212,540.21 : 3,318,805.69 = 696,355.65 : x - Step 2: Convert to fraction form
2,212,540.21/3,318,805.69 = 696,355.65/x - Step 3: Cross multiply
2,212,540.21x = 3,318,805.69 × 696,355.65 - Step 4: Simplify right side
2,212,540.21x = 2,311,069,073,407.84 - Step 5: Solve for x
x = 2,311,069,073,407.84/2,212,540.21 - Step 6: Final answer
x = 1,044,532.01
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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.