Finding the Fourth Proportional to 3,615,465.81, 4,979,765.07 and 2,694,744.29
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Solution
The fourth proportional to 3,615,465.81, 4,979,765.07 and 2,694,744.29 is: 3,711,608.45
Step by Step Solution
- Step 1: Write the proportion equation
3,615,465.81 : 4,979,765.07 = 2,694,744.29 : x - Step 2: Convert to fraction form
3,615,465.81/4,979,765.07 = 2,694,744.29/x - Step 3: Cross multiply
3,615,465.81x = 4,979,765.07 × 2,694,744.29 - Step 4: Simplify right side
3,615,465.81x = 13,419,193,463,025.13 - Step 5: Solve for x
x = 13,419,193,463,025.13/3,615,465.81 - Step 6: Final answer
x = 3,711,608.45
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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.