Finding the Fourth Proportional to 3,949,135.75, 5,923,703.63 and 957,319.75
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Solution
The fourth proportional to 3,949,135.75, 5,923,703.63 and 957,319.75 is: 1,435,979.63
Step by Step Solution
- Step 1: Write the proportion equation
3,949,135.75 : 5,923,703.63 = 957,319.75 : x - Step 2: Convert to fraction form
3,949,135.75/5,923,703.63 = 957,319.75/x - Step 3: Cross multiply
3,949,135.75x = 5,923,703.63 × 957,319.75 - Step 4: Simplify right side
3,949,135.75x = 5,670,878,478,145.69 - Step 5: Solve for x
x = 5,670,878,478,145.69/3,949,135.75 - Step 6: Final answer
x = 1,435,979.63
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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.