Finding the Fourth Proportional to 3,971,421.43, 5,956,370.25 and 1,542,571.99
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Solution
The fourth proportional to 3,971,421.43, 5,956,370.25 and 1,542,571.99 is: 2,313,562.05
Step by Step Solution
- Step 1: Write the proportion equation
3,971,421.43 : 5,956,370.25 = 1,542,571.99 : x - Step 2: Convert to fraction form
3,971,421.43/5,956,370.25 = 1,542,571.99/x - Step 3: Cross multiply
3,971,421.43x = 5,956,370.25 × 1,542,571.99 - Step 4: Simplify right side
3,971,421.43x = 9,188,129,909,719.30 - Step 5: Solve for x
x = 9,188,129,909,719.30/3,971,421.43 - Step 6: Final answer
x = 2,313,562.05
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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.