Finding the Fourth Proportional to 3,122,849.09, 4,309,199.97 and 1,727,188.94
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Solution
The fourth proportional to 3,122,849.09, 4,309,199.97 and 1,727,188.94 is: 2,383,337.24
Step by Step Solution
- Step 1: Write the proportion equation
3,122,849.09 : 4,309,199.97 = 1,727,188.94 : x - Step 2: Convert to fraction form
3,122,849.09/4,309,199.97 = 1,727,188.94/x - Step 3: Cross multiply
3,122,849.09x = 4,309,199.97 × 1,727,188.94 - Step 4: Simplify right side
3,122,849.09x = 7,442,802,528,432.33 - Step 5: Solve for x
x = 7,442,802,528,432.33/3,122,849.09 - Step 6: Final answer
x = 2,383,337.24
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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.