Finding the Fourth Proportional to 2,440,619.64, 3,368,178.72 and 1,407,743.28
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Solution
The fourth proportional to 2,440,619.64, 3,368,178.72 and 1,407,743.28 is: 1,942,757.03
Step by Step Solution
- Step 1: Write the proportion equation
2,440,619.64 : 3,368,178.72 = 1,407,743.28 : x - Step 2: Convert to fraction form
2,440,619.64/3,368,178.72 = 1,407,743.28/x - Step 3: Cross multiply
2,440,619.64x = 3,368,178.72 × 1,407,743.28 - Step 4: Simplify right side
2,440,619.64x = 4,741,530,958,919.00 - Step 5: Solve for x
x = 4,741,530,958,919.00/2,440,619.64 - Step 6: Final answer
x = 1,942,757.03
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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.