Finding the Fourth Proportional to 3,579,351.75, 4,939,506.23 and 1,969,719.75
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Solution
The fourth proportional to 3,579,351.75, 4,939,506.23 and 1,969,719.75 is: 2,718,213.70
Step by Step Solution
- Step 1: Write the proportion equation
3,579,351.75 : 4,939,506.23 = 1,969,719.75 : x - Step 2: Convert to fraction form
3,579,351.75/4,939,506.23 = 1,969,719.75/x - Step 3: Cross multiply
3,579,351.75x = 4,939,506.23 × 1,969,719.75 - Step 4: Simplify right side
3,579,351.75x = 9,729,442,966,630.44 - Step 5: Solve for x
x = 9,729,442,966,630.44/3,579,351.75 - Step 6: Final answer
x = 2,718,213.70
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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.