Finding the Fourth Proportional to 2,936,996.20, 4,405,397.36 and 1,207,806.20
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Solution
The fourth proportional to 2,936,996.20, 4,405,397.36 and 1,207,806.20 is: 1,811,669.43
Step by Step Solution
- Step 1: Write the proportion equation
2,936,996.20 : 4,405,397.36 = 1,207,806.20 : x - Step 2: Convert to fraction form
2,936,996.20/4,405,397.36 = 1,207,806.20/x - Step 3: Cross multiply
2,936,996.20x = 4,405,397.36 × 1,207,806.20 - Step 4: Simplify right side
2,936,996.20x = 5,320,866,244,871.63 - Step 5: Solve for x
x = 5,320,866,244,871.63/2,936,996.20 - Step 6: Final answer
x = 1,811,669.43
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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.