Finding the Fourth Proportional to 2,647,193.92, 3,969,284.32 and 1,806,763.84
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Solution
The fourth proportional to 2,647,193.92, 3,969,284.32 and 1,806,763.84 is: 2,709,117.50
Step by Step Solution
- Step 1: Write the proportion equation
2,647,193.92 : 3,969,284.32 = 1,806,763.84 : x - Step 2: Convert to fraction form
2,647,193.92/3,969,284.32 = 1,806,763.84/x - Step 3: Cross multiply
2,647,193.92x = 3,969,284.32 × 1,806,763.84 - Step 4: Simplify right side
2,647,193.92x = 7,171,559,380,054.99 - Step 5: Solve for x
x = 7,171,559,380,054.99/2,647,193.92 - Step 6: Final answer
x = 2,709,117.50
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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.