Finding the Fourth Proportional to 3,879,961.84, 5,353,798.80 and 2,203,487.92
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Solution
The fourth proportional to 3,879,961.84, 5,353,798.80 and 2,203,487.92 is: 3,040,501.81
Step by Step Solution
- Step 1: Write the proportion equation
3,879,961.84 : 5,353,798.80 = 2,203,487.92 : x - Step 2: Convert to fraction form
3,879,961.84/5,353,798.80 = 2,203,487.92/x - Step 3: Cross multiply
3,879,961.84x = 5,353,798.80 × 2,203,487.92 - Step 4: Simplify right side
3,879,961.84x = 11,797,030,981,910.50 - Step 5: Solve for x
x = 11,797,030,981,910.50/3,879,961.84 - Step 6: Final answer
x = 3,040,501.81
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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.