Finding the Fourth Proportional to 1,674,238.20, 2,310,381.83 and 985,939.07
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Solution
The fourth proportional to 1,674,238.20, 2,310,381.83 and 985,939.07 is: 1,360,556.52
Step by Step Solution
- Step 1: Write the proportion equation
1,674,238.20 : 2,310,381.83 = 985,939.07 : x - Step 2: Convert to fraction form
1,674,238.20/2,310,381.83 = 985,939.07/x - Step 3: Cross multiply
1,674,238.20x = 2,310,381.83 × 985,939.07 - Step 4: Simplify right side
1,674,238.20x = 2,277,895,705,611.26 - Step 5: Solve for x
x = 2,277,895,705,611.26/1,674,238.20 - Step 6: Final answer
x = 1,360,556.52
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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.