Finding the Fourth Proportional to 4,247,316.15, 5,861,431.58 and 2,313,638.79
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Solution
The fourth proportional to 4,247,316.15, 5,861,431.58 and 2,313,638.79 is: 3,192,895.23
Step by Step Solution
- Step 1: Write the proportion equation
4,247,316.15 : 5,861,431.58 = 2,313,638.79 : x - Step 2: Convert to fraction form
4,247,316.15/5,861,431.58 = 2,313,638.79/x - Step 3: Cross multiply
4,247,316.15x = 5,861,431.58 × 2,313,638.79 - Step 4: Simplify right side
4,247,316.15x = 13,561,235,468,418.99 - Step 5: Solve for x
x = 13,561,235,468,418.99/4,247,316.15 - Step 6: Final answer
x = 3,192,895.23
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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.