Finding the Fourth Proportional to 3,615,464.31, 4,979,763 and 2,694,742.79
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Solution
The fourth proportional to 3,615,464.31, 4,979,763 and 2,694,742.79 is: 3,711,606.38
Step by Step Solution
- Step 1: Write the proportion equation
3,615,464.31 : 4,979,763 = 2,694,742.79 : x - Step 2: Convert to fraction form
3,615,464.31/4,979,763 = 2,694,742.79/x - Step 3: Cross multiply
3,615,464.31x = 4,979,763 × 2,694,742.79 - Step 4: Simplify right side
3,615,464.31x = 13,419,180,415,259.96 - Step 5: Solve for x
x = 13,419,180,415,259.96/3,615,464.31 - Step 6: Final answer
x = 3,711,606.38
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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.