Finding the Fourth Proportional to 2,856,381.12, 4,284,553.19 and 726,446.84
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Solution
The fourth proportional to 2,856,381.12, 4,284,553.19 and 726,446.84 is: 1,089,665.55
Step by Step Solution
- Step 1: Write the proportion equation
2,856,381.12 : 4,284,553.19 = 726,446.84 : x - Step 2: Convert to fraction form
2,856,381.12/4,284,553.19 = 726,446.84/x - Step 3: Cross multiply
2,856,381.12x = 4,284,553.19 × 726,446.84 - Step 4: Simplify right side
2,856,381.12x = 3,112,500,100,632.42 - Step 5: Solve for x
x = 3,112,500,100,632.42/2,856,381.12 - Step 6: Final answer
x = 1,089,665.55
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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.