Finding the Fourth Proportional to 5,480,771.38, 8,221,944.80 and 1,694,549.50
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Solution
The fourth proportional to 5,480,771.38, 8,221,944.80 and 1,694,549.50 is: 2,542,067.80
Step by Step Solution
- Step 1: Write the proportion equation
5,480,771.38 : 8,221,944.80 = 1,694,549.50 : x - Step 2: Convert to fraction form
5,480,771.38/8,221,944.80 = 1,694,549.50/x - Step 3: Cross multiply
5,480,771.38x = 8,221,944.80 × 1,694,549.50 - Step 4: Simplify right side
5,480,771.38x = 13,932,492,449,867.60 - Step 5: Solve for x
x = 13,932,492,449,867.60/5,480,771.38 - Step 6: Final answer
x = 2,542,067.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.