Finding the Fourth Proportional to 2,744,551.20, 4,119,159.60 and 2,212,672.80
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Solution
The fourth proportional to 2,744,551.20, 4,119,159.60 and 2,212,672.80 is: 3,320,889.92
Step by Step Solution
- Step 1: Write the proportion equation
2,744,551.20 : 4,119,159.60 = 2,212,672.80 : x - Step 2: Convert to fraction form
2,744,551.20/4,119,159.60 = 2,212,672.80/x - Step 3: Cross multiply
2,744,551.20x = 4,119,159.60 × 2,212,672.80 - Step 4: Simplify right side
2,744,551.20x = 9,114,352,405,778.88 - Step 5: Solve for x
x = 9,114,352,405,778.88/2,744,551.20 - Step 6: Final answer
x = 3,320,889.92
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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.