Finding the Fourth Proportional to 5,478,757.79, 7,560,694.58 and 3,031,471.98
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Solution
The fourth proportional to 5,478,757.79, 7,560,694.58 and 3,031,471.98 is: 4,183,436.22
Step by Step Solution
- Step 1: Write the proportion equation
5,478,757.79 : 7,560,694.58 = 3,031,471.98 : x - Step 2: Convert to fraction form
5,478,757.79/7,560,694.58 = 3,031,471.98/x - Step 3: Cross multiply
5,478,757.79x = 7,560,694.58 × 3,031,471.98 - Step 4: Simplify right side
5,478,757.79x = 22,920,033,753,450.51 - Step 5: Solve for x
x = 22,920,033,753,450.51/5,478,757.79 - Step 6: Final answer
x = 4,183,436.22
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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.