Finding the Fourth Proportional to 3,407,879.93, 5,107,131 and 1,460,277.05
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Solution
The fourth proportional to 3,407,879.93, 5,107,131 and 1,460,277.05 is: 2,188,406.38
Step by Step Solution
- Step 1: Write the proportion equation
3,407,879.93 : 5,107,131 = 1,460,277.05 : x - Step 2: Convert to fraction form
3,407,879.93/5,107,131 = 1,460,277.05/x - Step 3: Cross multiply
3,407,879.93x = 5,107,131 × 1,460,277.05 - Step 4: Simplify right side
3,407,879.93x = 7,457,826,165,107.90 - Step 5: Solve for x
x = 7,457,826,165,107.90/3,407,879.93 - Step 6: Final answer
x = 2,188,406.38
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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.