Finding the Fourth Proportional to 6,264,629.60, 9,397,981.20 and 2,672,117.60
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Solution
The fourth proportional to 6,264,629.60, 9,397,981.20 and 2,672,117.60 is: 4,008,618.64
Step by Step Solution
- Step 1: Write the proportion equation
6,264,629.60 : 9,397,981.20 = 2,672,117.60 : x - Step 2: Convert to fraction form
6,264,629.60/9,397,981.20 = 2,672,117.60/x - Step 3: Cross multiply
6,264,629.60x = 9,397,981.20 × 2,672,117.60 - Step 4: Simplify right side
6,264,629.60x = 25,112,510,968,989.12 - Step 5: Solve for x
x = 25,112,510,968,989.12/6,264,629.60 - Step 6: Final answer
x = 4,008,618.64
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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.