Finding the Fourth Proportional to 3,621,765.62, 4,993,042.36 and 2,889,206.26
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Solution
The fourth proportional to 3,621,765.62, 4,993,042.36 and 2,889,206.26 is: 3,983,120.60
Step by Step Solution
- Step 1: Write the proportion equation
3,621,765.62 : 4,993,042.36 = 2,889,206.26 : x - Step 2: Convert to fraction form
3,621,765.62/4,993,042.36 = 2,889,206.26/x - Step 3: Cross multiply
3,621,765.62x = 4,993,042.36 × 2,889,206.26 - Step 4: Simplify right side
3,621,765.62x = 14,425,929,242,957.17 - Step 5: Solve for x
x = 14,425,929,242,957.17/3,621,765.62 - Step 6: Final answer
x = 3,983,120.60
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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.