Finding the Fourth Proportional to 5,494,513.20, 8,241,769.80 and 2,508,529.20
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Solution
The fourth proportional to 5,494,513.20, 8,241,769.80 and 2,508,529.20 is: 3,762,793.80
Step by Step Solution
- Step 1: Write the proportion equation
5,494,513.20 : 8,241,769.80 = 2,508,529.20 : x - Step 2: Convert to fraction form
5,494,513.20/8,241,769.80 = 2,508,529.20/x - Step 3: Cross multiply
5,494,513.20x = 8,241,769.80 × 2,508,529.20 - Step 4: Simplify right side
5,494,513.20x = 20,674,720,202,978.16 - Step 5: Solve for x
x = 20,674,720,202,978.16/5,494,513.20 - Step 6: Final answer
x = 3,762,793.80
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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.