Finding the Fourth Proportional to 3,702,405.63, 5,107,812.44 and 2,412,776.19
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Solution
The fourth proportional to 3,702,405.63, 5,107,812.44 and 2,412,776.19 is: 3,328,648.85
Step by Step Solution
- Step 1: Write the proportion equation
3,702,405.63 : 5,107,812.44 = 2,412,776.19 : x - Step 2: Convert to fraction form
3,702,405.63/5,107,812.44 = 2,412,776.19/x - Step 3: Cross multiply
3,702,405.63x = 5,107,812.44 × 2,412,776.19 - Step 4: Simplify right side
3,702,405.63x = 12,324,008,226,153.92 - Step 5: Solve for x
x = 12,324,008,226,153.92/3,702,405.63 - Step 6: Final answer
x = 3,328,648.85
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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.