Finding the Fourth Proportional to 3,409,757.84, 4,705,399.12 and 1,861,030.64
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Solution
The fourth proportional to 3,409,757.84, 4,705,399.12 and 1,861,030.64 is: 2,568,185.88
Step by Step Solution
- Step 1: Write the proportion equation
3,409,757.84 : 4,705,399.12 = 1,861,030.64 : x - Step 2: Convert to fraction form
3,409,757.84/4,705,399.12 = 1,861,030.64/x - Step 3: Cross multiply
3,409,757.84x = 4,705,399.12 × 1,861,030.64 - Step 4: Simplify right side
3,409,757.84x = 8,756,891,935,749.04 - Step 5: Solve for x
x = 8,756,891,935,749.04/3,409,757.84 - Step 6: Final answer
x = 2,568,185.88
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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.