Finding the Fourth Proportional to 6,415,121.88, 8,852,794.30 and 3,474,883.44
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Solution
The fourth proportional to 6,415,121.88, 8,852,794.30 and 3,474,883.44 is: 4,795,299.12
Step by Step Solution
- Step 1: Write the proportion equation
6,415,121.88 : 8,852,794.30 = 3,474,883.44 : x - Step 2: Convert to fraction form
6,415,121.88/8,852,794.30 = 3,474,883.44/x - Step 3: Cross multiply
6,415,121.88x = 8,852,794.30 × 3,474,883.44 - Step 4: Simplify right side
6,415,121.88x = 30,762,428,324,241.17 - Step 5: Solve for x
x = 30,762,428,324,241.17/6,415,121.88 - Step 6: Final answer
x = 4,795,299.12
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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.