Finding the Fourth Proportional to 3,915,660.09, 5,879,255.84 and 2,189,911.07
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Solution
The fourth proportional to 3,915,660.09, 5,879,255.84 and 2,189,911.07 is: 3,288,091.19
Step by Step Solution
- Step 1: Write the proportion equation
3,915,660.09 : 5,879,255.84 = 2,189,911.07 : x - Step 2: Convert to fraction form
3,915,660.09/5,879,255.84 = 2,189,911.07/x - Step 3: Cross multiply
3,915,660.09x = 5,879,255.84 × 2,189,911.07 - Step 4: Simplify right side
3,915,660.09x = 12,875,047,459,338.90 - Step 5: Solve for x
x = 12,875,047,459,338.90/3,915,660.09 - Step 6: Final answer
x = 3,288,091.19
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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.