Finding the Fourth Proportional to 3,439,616.16, 4,738,465.26 and 2,405,189.46
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Solution
The fourth proportional to 3,439,616.16, 4,738,465.26 and 2,405,189.46 is: 3,313,423.99
Step by Step Solution
- Step 1: Write the proportion equation
3,439,616.16 : 4,738,465.26 = 2,405,189.46 : x - Step 2: Convert to fraction form
3,439,616.16/4,738,465.26 = 2,405,189.46/x - Step 3: Cross multiply
3,439,616.16x = 4,738,465.26 × 2,405,189.46 - Step 4: Simplify right side
3,439,616.16x = 11,396,906,699,928.16 - Step 5: Solve for x
x = 11,396,906,699,928.16/3,439,616.16 - Step 6: Final answer
x = 3,313,423.99
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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.