Finding the Fourth Proportional to 3,114,371.97, 4,297,099.82 and 1,890,646.65
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Solution
The fourth proportional to 3,114,371.97, 4,297,099.82 and 1,890,646.65 is: 2,608,647.09
Step by Step Solution
- Step 1: Write the proportion equation
3,114,371.97 : 4,297,099.82 = 1,890,646.65 : x - Step 2: Convert to fraction form
3,114,371.97/4,297,099.82 = 1,890,646.65/x - Step 3: Cross multiply
3,114,371.97x = 4,297,099.82 × 1,890,646.65 - Step 4: Simplify right side
3,114,371.97x = 8,124,297,369,945.37 - Step 5: Solve for x
x = 8,124,297,369,945.37/3,114,371.97 - Step 6: Final answer
x = 2,608,647.09
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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.