Finding the Fourth Proportional to 5,378,492.80, 8,067,544.80 and 2,183,528.80
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Solution
The fourth proportional to 5,378,492.80, 8,067,544.80 and 2,183,528.80 is: 3,275,214.28
Step by Step Solution
- Step 1: Write the proportion equation
5,378,492.80 : 8,067,544.80 = 2,183,528.80 : x - Step 2: Convert to fraction form
5,378,492.80/8,067,544.80 = 2,183,528.80/x - Step 3: Cross multiply
5,378,492.80x = 8,067,544.80 × 2,183,528.80 - Step 4: Simplify right side
5,378,492.80x = 17,615,716,416,090.24 - Step 5: Solve for x
x = 17,615,716,416,090.24/5,378,492.80 - Step 6: Final answer
x = 3,275,214.28
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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.