Finding the Fourth Proportional to 2,786,676.75, 4,180,717.41 and 792,132.75
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Solution
The fourth proportional to 2,786,676.75, 4,180,717.41 and 792,132.75 is: 1,188,398.75
Step by Step Solution
- Step 1: Write the proportion equation
2,786,676.75 : 4,180,717.41 = 792,132.75 : x - Step 2: Convert to fraction form
2,786,676.75/4,180,717.41 = 792,132.75/x - Step 3: Cross multiply
2,786,676.75x = 4,180,717.41 × 792,132.75 - Step 4: Simplify right side
2,786,676.75x = 3,311,683,178,956.18 - Step 5: Solve for x
x = 3,311,683,178,956.18/2,786,676.75 - Step 6: Final answer
x = 1,188,398.75
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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.