Finding the Fourth Proportional to 5,334,906.38, 7,362,170.22 and 2,887,517.02
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Solution
The fourth proportional to 5,334,906.38, 7,362,170.22 and 2,887,517.02 is: 3,984,773.17
Step by Step Solution
- Step 1: Write the proportion equation
5,334,906.38 : 7,362,170.22 = 2,887,517.02 : x - Step 2: Convert to fraction form
5,334,906.38/7,362,170.22 = 2,887,517.02/x - Step 3: Cross multiply
5,334,906.38x = 7,362,170.22 × 2,887,517.02 - Step 4: Simplify right side
5,334,906.38x = 21,258,391,814,387.14 - Step 5: Solve for x
x = 21,258,391,814,387.14/5,334,906.38 - Step 6: Final answer
x = 3,984,773.17
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1.5x scale
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.