Finding the Fourth Proportional to 3,339,791.24, 4,608,920.84 and 1,811,898.36
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Solution
The fourth proportional to 3,339,791.24, 4,608,920.84 and 1,811,898.36 is: 2,500,424.58
Step by Step Solution
- Step 1: Write the proportion equation
3,339,791.24 : 4,608,920.84 = 1,811,898.36 : x - Step 2: Convert to fraction form
3,339,791.24/4,608,920.84 = 1,811,898.36/x - Step 3: Cross multiply
3,339,791.24x = 4,608,920.84 × 1,811,898.36 - Step 4: Simplify right side
3,339,791.24x = 8,350,896,111,365.82 - Step 5: Solve for x
x = 8,350,896,111,365.82/3,339,791.24 - Step 6: Final answer
x = 2,500,424.58
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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.