Finding the Fourth Proportional to 3,949,135.13, 5,923,702.70 and 957,319.13
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Solution
The fourth proportional to 3,949,135.13, 5,923,702.70 and 957,319.13 is: 1,435,978.70
Step by Step Solution
- Step 1: Write the proportion equation
3,949,135.13 : 5,923,702.70 = 957,319.13 : x - Step 2: Convert to fraction form
3,949,135.13/5,923,702.70 = 957,319.13/x - Step 3: Cross multiply
3,949,135.13x = 5,923,702.70 × 957,319.13 - Step 4: Simplify right side
3,949,135.13x = 5,670,873,915,142.65 - Step 5: Solve for x
x = 5,670,873,915,142.65/3,949,135.13 - Step 6: Final answer
x = 1,435,978.70
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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.