Finding the Fourth Proportional to 2,409,039.16, 3,324,478.84 and 1,321,319.68
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Solution
The fourth proportional to 2,409,039.16, 3,324,478.84 and 1,321,319.68 is: 1,823,423.79
Step by Step Solution
- Step 1: Write the proportion equation
2,409,039.16 : 3,324,478.84 = 1,321,319.68 : x - Step 2: Convert to fraction form
2,409,039.16/3,324,478.84 = 1,321,319.68/x - Step 3: Cross multiply
2,409,039.16x = 3,324,478.84 × 1,321,319.68 - Step 4: Simplify right side
2,409,039.16x = 4,392,699,305,421.08 - Step 5: Solve for x
x = 4,392,699,305,421.08/2,409,039.16 - Step 6: Final answer
x = 1,823,423.79
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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.