Finding the Fourth Proportional to 1,687,450.72, 2,328,680.28 and 952,559.68
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Solution
The fourth proportional to 1,687,450.72, 2,328,680.28 and 952,559.68 is: 1,314,531.39
Step by Step Solution
- Step 1: Write the proportion equation
1,687,450.72 : 2,328,680.28 = 952,559.68 : x - Step 2: Convert to fraction form
1,687,450.72/2,328,680.28 = 952,559.68/x - Step 3: Cross multiply
1,687,450.72x = 2,328,680.28 × 952,559.68 - Step 4: Simplify right side
1,687,450.72x = 2,218,206,942,339.11 - Step 5: Solve for x
x = 2,218,206,942,339.11/1,687,450.72 - Step 6: Final answer
x = 1,314,531.39
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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.