Finding the Fourth Proportional to 5,610,872.92, 7,742,849.74 and 3,163,462.59
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Solution
The fourth proportional to 5,610,872.92, 7,742,849.74 and 3,163,462.59 is: 4,365,491.05
Step by Step Solution
- Step 1: Write the proportion equation
5,610,872.92 : 7,742,849.74 = 3,163,462.59 : x - Step 2: Convert to fraction form
5,610,872.92/7,742,849.74 = 3,163,462.59/x - Step 3: Cross multiply
5,610,872.92x = 7,742,849.74 × 3,163,462.59 - Step 4: Simplify right side
5,610,872.92x = 24,494,215,492,481.23 - Step 5: Solve for x
x = 24,494,215,492,481.23/5,610,872.92 - Step 6: Final answer
x = 4,365,491.05
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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.