Finding the Fourth Proportional to 4,126,061.92, 6,189,169.28 and 1,430,474.96
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Solution
The fourth proportional to 4,126,061.92, 6,189,169.28 and 1,430,474.96 is: 2,145,738.93
Step by Step Solution
- Step 1: Write the proportion equation
4,126,061.92 : 6,189,169.28 = 1,430,474.96 : x - Step 2: Convert to fraction form
4,126,061.92/6,189,169.28 = 1,430,474.96/x - Step 3: Cross multiply
4,126,061.92x = 6,189,169.28 × 1,430,474.96 - Step 4: Simplify right side
4,126,061.92x = 8,853,451,678,241.23 - Step 5: Solve for x
x = 8,853,451,678,241.23/4,126,061.92 - Step 6: Final answer
x = 2,145,738.93
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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.