Finding the Fourth Proportional to 5,642,217.57, 7,786,352.91 and 3,194,764.11
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Solution
The fourth proportional to 5,642,217.57, 7,786,352.91 and 3,194,764.11 is: 4,408,826.94
Step by Step Solution
- Step 1: Write the proportion equation
5,642,217.57 : 7,786,352.91 = 3,194,764.11 : x - Step 2: Convert to fraction form
5,642,217.57/7,786,352.91 = 3,194,764.11/x - Step 3: Cross multiply
5,642,217.57x = 7,786,352.91 × 3,194,764.11 - Step 4: Simplify right side
5,642,217.57x = 24,875,560,824,662.06 - Step 5: Solve for x
x = 24,875,560,824,662.06/5,642,217.57 - Step 6: Final answer
x = 4,408,826.94
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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.