Finding the Fourth Proportional to 2,079,771.36, 3,119,767.84 and 659,938.56
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Solution
The fourth proportional to 2,079,771.36, 3,119,767.84 and 659,938.56 is: 989,943.00
Step by Step Solution
- Step 1: Write the proportion equation
2,079,771.36 : 3,119,767.84 = 659,938.56 : x - Step 2: Convert to fraction form
2,079,771.36/3,119,767.84 = 659,938.56/x - Step 3: Cross multiply
2,079,771.36x = 3,119,767.84 × 659,938.56 - Step 4: Simplify right side
2,079,771.36x = 2,058,855,095,863.91 - Step 5: Solve for x
x = 2,058,855,095,863.91/2,079,771.36 - Step 6: Final answer
x = 989,943.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.