Finding the Fourth Proportional to 5,477,168.15, 8,216,499.53 and 2,281,546.99
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Solution
The fourth proportional to 5,477,168.15, 8,216,499.53 and 2,281,546.99 is: 3,422,631.78
Step by Step Solution
- Step 1: Write the proportion equation
5,477,168.15 : 8,216,499.53 = 2,281,546.99 : x - Step 2: Convert to fraction form
5,477,168.15/8,216,499.53 = 2,281,546.99/x - Step 3: Cross multiply
5,477,168.15x = 8,216,499.53 × 2,281,546.99 - Step 4: Simplify right side
5,477,168.15x = 18,746,329,771,007.92 - Step 5: Solve for x
x = 18,746,329,771,007.92/5,477,168.15 - Step 6: Final answer
x = 3,422,631.78
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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.