Finding the Fourth Proportional to 3,219,873.28, 4,829,975.36 and 823,738.68
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Solution
The fourth proportional to 3,219,873.28, 4,829,975.36 and 823,738.68 is: 1,235,650.34
Step by Step Solution
- Step 1: Write the proportion equation
3,219,873.28 : 4,829,975.36 = 823,738.68 : x - Step 2: Convert to fraction form
3,219,873.28/4,829,975.36 = 823,738.68/x - Step 3: Cross multiply
3,219,873.28x = 4,829,975.36 × 823,738.68 - Step 4: Simplify right side
3,219,873.28x = 3,978,637,527,478.93 - Step 5: Solve for x
x = 3,978,637,527,478.93/3,219,873.28 - Step 6: Final answer
x = 1,235,650.34
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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.