Finding the Fourth Proportional to 5,177,550.20, 7,767,446.24 and 1,982,676.51
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Solution
The fourth proportional to 5,177,550.20, 7,767,446.24 and 1,982,676.51 is: 2,974,444.02
Step by Step Solution
- Step 1: Write the proportion equation
5,177,550.20 : 7,767,446.24 = 1,982,676.51 : x - Step 2: Convert to fraction form
5,177,550.20/7,767,446.24 = 1,982,676.51/x - Step 3: Cross multiply
5,177,550.20x = 7,767,446.24 × 1,982,676.51 - Step 4: Simplify right side
5,177,550.20x = 15,400,333,207,692.51 - Step 5: Solve for x
x = 15,400,333,207,692.51/5,177,550.20 - Step 6: Final answer
x = 2,974,444.02
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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.