Finding the Fourth Proportional to 2,976,481.18, 4,107,515.16 and 1,618,354.18
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Solution
The fourth proportional to 2,976,481.18, 4,107,515.16 and 1,618,354.18 is: 2,233,313.07
Step by Step Solution
- Step 1: Write the proportion equation
2,976,481.18 : 4,107,515.16 = 1,618,354.18 : x - Step 2: Convert to fraction form
2,976,481.18/4,107,515.16 = 1,618,354.18/x - Step 3: Cross multiply
2,976,481.18x = 4,107,515.16 × 1,618,354.18 - Step 4: Simplify right side
2,976,481.18x = 6,647,414,328,599.37 - Step 5: Solve for x
x = 6,647,414,328,599.37/2,976,481.18 - Step 6: Final answer
x = 2,233,313.07
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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.