Finding the Fourth Proportional to 1,592,942.72, 2,198,252.36 and 867,788.72
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Solution
The fourth proportional to 1,592,942.72, 2,198,252.36 and 867,788.72 is: 1,197,543.75
Step by Step Solution
- Step 1: Write the proportion equation
1,592,942.72 : 2,198,252.36 = 867,788.72 : x - Step 2: Convert to fraction form
1,592,942.72/2,198,252.36 = 867,788.72/x - Step 3: Cross multiply
1,592,942.72x = 2,198,252.36 × 867,788.72 - Step 4: Simplify right side
1,592,942.72x = 1,907,618,601,721.38 - Step 5: Solve for x
x = 1,907,618,601,721.38/1,592,942.72 - Step 6: Final answer
x = 1,197,543.75
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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.