Finding the Fourth Proportional to 2,171,160.24, 2,996,249.04 and 1,204,258.92
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Solution
The fourth proportional to 2,171,160.24, 2,996,249.04 and 1,204,258.92 is: 1,661,903.88
Step by Step Solution
- Step 1: Write the proportion equation
2,171,160.24 : 2,996,249.04 = 1,204,258.92 : x - Step 2: Convert to fraction form
2,171,160.24/2,996,249.04 = 1,204,258.92/x - Step 3: Cross multiply
2,171,160.24x = 2,996,249.04 × 1,204,258.92 - Step 4: Simplify right side
2,171,160.24x = 3,608,259,632,961.44 - Step 5: Solve for x
x = 3,608,259,632,961.44/2,171,160.24 - Step 6: Final answer
x = 1,661,903.88
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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.