Finding the Fourth Proportional to 1,928,467.44, 2,660,746.48 and 1,519,299.49
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Solution
The fourth proportional to 1,928,467.44, 2,660,746.48 and 1,519,299.49 is: 2,096,208.98
Step by Step Solution
- Step 1: Write the proportion equation
1,928,467.44 : 2,660,746.48 = 1,519,299.49 : x - Step 2: Convert to fraction form
1,928,467.44/2,660,746.48 = 1,519,299.49/x - Step 3: Cross multiply
1,928,467.44x = 2,660,746.48 × 1,519,299.49 - Step 4: Simplify right side
1,928,467.44x = 4,042,470,770,083.30 - Step 5: Solve for x
x = 4,042,470,770,083.30/1,928,467.44 - Step 6: Final answer
x = 2,096,208.98
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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.