Finding the Fourth Proportional to 4,316,198.40, 6,474,297.60 and 4,131,907.20
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Solution
The fourth proportional to 4,316,198.40, 6,474,297.60 and 4,131,907.20 is: 6,197,860.80
Step by Step Solution
- Step 1: Write the proportion equation
4,316,198.40 : 6,474,297.60 = 4,131,907.20 : x - Step 2: Convert to fraction form
4,316,198.40/6,474,297.60 = 4,131,907.20/x - Step 3: Cross multiply
4,316,198.40x = 6,474,297.60 × 4,131,907.20 - Step 4: Simplify right side
4,316,198.40x = 26,751,196,868,382.72 - Step 5: Solve for x
x = 26,751,196,868,382.72/4,316,198.40 - Step 6: Final answer
x = 6,197,860.80
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1.5x scale
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.