Finding the Fourth Proportional to 2,728,914.96, 3,765,836.66 and 1,505,194.19
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Solution
The fourth proportional to 2,728,914.96, 3,765,836.66 and 1,505,194.19 is: 2,077,131.59
Step by Step Solution
- Step 1: Write the proportion equation
2,728,914.96 : 3,765,836.66 = 1,505,194.19 : x - Step 2: Convert to fraction form
2,728,914.96/3,765,836.66 = 1,505,194.19/x - Step 3: Cross multiply
2,728,914.96x = 3,765,836.66 × 1,505,194.19 - Step 4: Simplify right side
2,728,914.96x = 5,668,315,478,537.29 - Step 5: Solve for x
x = 5,668,315,478,537.29/2,728,914.96 - Step 6: Final answer
x = 2,077,131.59
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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.