Finding the Fourth Proportional to 3,471,231.51, 4,789,729.26 and 2,181,158.28
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Solution
The fourth proportional to 3,471,231.51, 4,789,729.26 and 2,181,158.28 is: 3,009,640.12
Step by Step Solution
- Step 1: Write the proportion equation
3,471,231.51 : 4,789,729.26 = 2,181,158.28 : x - Step 2: Convert to fraction form
3,471,231.51/4,789,729.26 = 2,181,158.28/x - Step 3: Cross multiply
3,471,231.51x = 4,789,729.26 × 2,181,158.28 - Step 4: Simplify right side
3,471,231.51x = 10,447,157,634,407.27 - Step 5: Solve for x
x = 10,447,157,634,407.27/3,471,231.51 - Step 6: Final answer
x = 3,009,640.12
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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.