Finding the Fourth Proportional to 2,674,325.70, 3,690,821.43 and 1,528,183.26
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Solution
The fourth proportional to 2,674,325.70, 3,690,821.43 and 1,528,183.26 is: 2,109,036.88
Step by Step Solution
- Step 1: Write the proportion equation
2,674,325.70 : 3,690,821.43 = 1,528,183.26 : x - Step 2: Convert to fraction form
2,674,325.70/3,690,821.43 = 1,528,183.26/x - Step 3: Cross multiply
2,674,325.70x = 3,690,821.43 × 1,528,183.26 - Step 4: Simplify right side
2,674,325.70x = 5,640,251,524,975.26 - Step 5: Solve for x
x = 5,640,251,524,975.26/2,674,325.70 - Step 6: Final answer
x = 2,109,036.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.