Finding the Fourth Proportional to 1,879,311.65, 2,593,469.09 and 1,019,879.33
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Solution
The fourth proportional to 1,879,311.65, 2,593,469.09 and 1,019,879.33 is: 1,407,443.79
Step by Step Solution
- Step 1: Write the proportion equation
1,879,311.65 : 2,593,469.09 = 1,019,879.33 : x - Step 2: Convert to fraction form
1,879,311.65/2,593,469.09 = 1,019,879.33/x - Step 3: Cross multiply
1,879,311.65x = 2,593,469.09 × 1,019,879.33 - Step 4: Simplify right side
1,879,311.65x = 2,645,025,507,467.26 - Step 5: Solve for x
x = 2,645,025,507,467.26/1,879,311.65 - Step 6: Final answer
x = 1,407,443.79
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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.