Finding the Fourth Proportional to 5,650,640.44, 7,797,791.94 and 3,072,386.14
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Solution
The fourth proportional to 5,650,640.44, 7,797,791.94 and 3,072,386.14 is: 4,239,842.92
Step by Step Solution
- Step 1: Write the proportion equation
5,650,640.44 : 7,797,791.94 = 3,072,386.14 : x - Step 2: Convert to fraction form
5,650,640.44/7,797,791.94 = 3,072,386.14/x - Step 3: Cross multiply
5,650,640.44x = 7,797,791.94 × 3,072,386.14 - Step 4: Simplify right side
5,650,640.44x = 23,957,827,879,059.71 - Step 5: Solve for x
x = 23,957,827,879,059.71/5,650,640.44 - Step 6: Final answer
x = 4,239,842.92
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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.