Finding the Fourth Proportional to 2,629,115.44, 3,628,181.70 and 1,421,891.44
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Solution
The fourth proportional to 2,629,115.44, 3,628,181.70 and 1,421,891.44 is: 1,962,211.48
Step by Step Solution
- Step 1: Write the proportion equation
2,629,115.44 : 3,628,181.70 = 1,421,891.44 : x - Step 2: Convert to fraction form
2,629,115.44/3,628,181.70 = 1,421,891.44/x - Step 3: Cross multiply
2,629,115.44x = 3,628,181.70 × 1,421,891.44 - Step 4: Simplify right side
2,629,115.44x = 5,158,880,501,994.65 - Step 5: Solve for x
x = 5,158,880,501,994.65/2,629,115.44 - Step 6: Final answer
x = 1,962,211.48
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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.