Finding the Fourth Proportional to 3,470,020.56, 5,204,192.49 and 1,338,745.32
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Solution
The fourth proportional to 3,470,020.56, 5,204,192.49 and 1,338,745.32 is: 2,007,794.54
Step by Step Solution
- Step 1: Write the proportion equation
3,470,020.56 : 5,204,192.49 = 1,338,745.32 : x - Step 2: Convert to fraction form
3,470,020.56/5,204,192.49 = 1,338,745.32/x - Step 3: Cross multiply
3,470,020.56x = 5,204,192.49 × 1,338,745.32 - Step 4: Simplify right side
3,470,020.56x = 6,967,088,340,366.65 - Step 5: Solve for x
x = 6,967,088,340,366.65/3,470,020.56 - Step 6: Final answer
x = 2,007,794.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.