Finding the Fourth Proportional to 5,049,716.88, 6,968,653.86 and 2,874,400.12
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Solution
The fourth proportional to 5,049,716.88, 6,968,653.86 and 2,874,400.12 is: 3,966,697.53
Step by Step Solution
- Step 1: Write the proportion equation
5,049,716.88 : 6,968,653.86 = 2,874,400.12 : x - Step 2: Convert to fraction form
5,049,716.88/6,968,653.86 = 2,874,400.12/x - Step 3: Cross multiply
5,049,716.88x = 6,968,653.86 × 2,874,400.12 - Step 4: Simplify right side
5,049,716.88x = 20,030,699,510,912.28 - Step 5: Solve for x
x = 20,030,699,510,912.28/5,049,716.88 - Step 6: Final answer
x = 3,966,697.53
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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.