Finding the Fourth Proportional to 5,173,481.02, 7,139,062.04 and 3,107,268.81
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Solution
The fourth proportional to 5,173,481.02, 7,139,062.04 and 3,107,268.81 is: 4,287,825.69
Step by Step Solution
- Step 1: Write the proportion equation
5,173,481.02 : 7,139,062.04 = 3,107,268.81 : x - Step 2: Convert to fraction form
5,173,481.02/7,139,062.04 = 3,107,268.81/x - Step 3: Cross multiply
5,173,481.02x = 7,139,062.04 × 3,107,268.81 - Step 4: Simplify right side
5,173,481.02x = 22,182,984,809,546.97 - Step 5: Solve for x
x = 22,182,984,809,546.97/5,173,481.02 - Step 6: Final answer
x = 4,287,825.69
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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.