Finding the Fourth Proportional to 4,660,128.39, 6,431,123.57 and 2,567,122.64
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Solution
The fourth proportional to 4,660,128.39, 6,431,123.57 and 2,567,122.64 is: 3,542,709.88
Step by Step Solution
- Step 1: Write the proportion equation
4,660,128.39 : 6,431,123.57 = 2,567,122.64 : x - Step 2: Convert to fraction form
4,660,128.39/6,431,123.57 = 2,567,122.64/x - Step 3: Cross multiply
4,660,128.39x = 6,431,123.57 × 2,567,122.64 - Step 4: Simplify right side
4,660,128.39x = 16,509,482,872,193.39 - Step 5: Solve for x
x = 16,509,482,872,193.39/4,660,128.39 - Step 6: Final answer
x = 3,542,709.88
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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.