Finding the Fourth Proportional to 3,785,464.81, 5,223,743.84 and 2,066,253.17
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Solution
The fourth proportional to 3,785,464.81, 5,223,743.84 and 2,066,253.17 is: 2,851,321.52
Step by Step Solution
- Step 1: Write the proportion equation
3,785,464.81 : 5,223,743.84 = 2,066,253.17 : x - Step 2: Convert to fraction form
3,785,464.81/5,223,743.84 = 2,066,253.17/x - Step 3: Cross multiply
3,785,464.81x = 5,223,743.84 × 2,066,253.17 - Step 4: Simplify right side
3,785,464.81x = 10,793,577,268,667.97 - Step 5: Solve for x
x = 10,793,577,268,667.97/3,785,464.81 - Step 6: Final answer
x = 2,851,321.52
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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.