Finding the Fourth Proportional to 4,048,821.21, 5,587,372.44 and 2,213,287.15
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Solution
The fourth proportional to 4,048,821.21, 5,587,372.44 and 2,213,287.15 is: 3,054,335.81
Step by Step Solution
- Step 1: Write the proportion equation
4,048,821.21 : 5,587,372.44 = 2,213,287.15 : x - Step 2: Convert to fraction form
4,048,821.21/5,587,372.44 = 2,213,287.15/x - Step 3: Cross multiply
4,048,821.21x = 5,587,372.44 × 2,213,287.15 - Step 4: Simplify right side
4,048,821.21x = 12,366,459,623,716.15 - Step 5: Solve for x
x = 12,366,459,623,716.15/4,048,821.21 - Step 6: Final answer
x = 3,054,335.81
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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.