Finding the Fourth Proportional to 3,842,658.63, 5,302,859.73 and 2,188,805.49
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Solution
The fourth proportional to 3,842,658.63, 5,302,859.73 and 2,188,805.49 is: 3,020,546.35
Step by Step Solution
- Step 1: Write the proportion equation
3,842,658.63 : 5,302,859.73 = 2,188,805.49 : x - Step 2: Convert to fraction form
3,842,658.63/5,302,859.73 = 2,188,805.49/x - Step 3: Cross multiply
3,842,658.63x = 5,302,859.73 × 2,188,805.49 - Step 4: Simplify right side
3,842,658.63x = 11,606,928,489,723.92 - Step 5: Solve for x
x = 11,606,928,489,723.92/3,842,658.63 - Step 6: Final answer
x = 3,020,546.35
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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.