Finding the Fourth Proportional to 1,687,091.19, 2,328,185.84 and 923,144.75
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Solution
The fourth proportional to 1,687,091.19, 2,328,185.84 and 923,144.75 is: 1,273,939.75
Step by Step Solution
- Step 1: Write the proportion equation
1,687,091.19 : 2,328,185.84 = 923,144.75 : x - Step 2: Convert to fraction form
1,687,091.19/2,328,185.84 = 923,144.75/x - Step 3: Cross multiply
1,687,091.19x = 2,328,185.84 × 923,144.75 - Step 4: Simplify right side
1,687,091.19x = 2,149,252,535,220.34 - Step 5: Solve for x
x = 2,149,252,535,220.34/1,687,091.19 - Step 6: Final answer
x = 1,273,939.75
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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.