Finding the Fourth Proportional to 4,848,233.79, 6,690,614.20 and 2,672,854.80
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Solution
The fourth proportional to 4,848,233.79, 6,690,614.20 and 2,672,854.80 is: 3,688,568.05
Step by Step Solution
- Step 1: Write the proportion equation
4,848,233.79 : 6,690,614.20 = 2,672,854.80 : x - Step 2: Convert to fraction form
4,848,233.79/6,690,614.20 = 2,672,854.80/x - Step 3: Cross multiply
4,848,233.79x = 6,690,614.20 × 2,672,854.80 - Step 4: Simplify right side
4,848,233.79x = 17,883,040,247,646.22 - Step 5: Solve for x
x = 17,883,040,247,646.22/4,848,233.79 - Step 6: Final answer
x = 3,688,568.05
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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.