Finding the Fourth Proportional to 3,461,853.76, 5,188,138.96 and 2,694,278.31
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Solution
The fourth proportional to 3,461,853.76, 5,188,138.96 and 2,694,278.31 is: 4,037,804.95
Step by Step Solution
- Step 1: Write the proportion equation
3,461,853.76 : 5,188,138.96 = 2,694,278.31 : x - Step 2: Convert to fraction form
3,461,853.76/5,188,138.96 = 2,694,278.31/x - Step 3: Cross multiply
3,461,853.76x = 5,188,138.96 × 2,694,278.31 - Step 4: Simplify right side
3,461,853.76x = 13,978,290,255,722.57 - Step 5: Solve for x
x = 13,978,290,255,722.57/3,461,853.76 - Step 6: Final answer
x = 4,037,804.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.