Finding the Fourth Proportional to 3,874,914.11, 5,809,475.41 and 2,673,407.90
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Solution
The fourth proportional to 3,874,914.11, 5,809,475.41 and 2,673,407.90 is: 4,008,113.99
Step by Step Solution
- Step 1: Write the proportion equation
3,874,914.11 : 5,809,475.41 = 2,673,407.90 : x - Step 2: Convert to fraction form
3,874,914.11/5,809,475.41 = 2,673,407.90/x - Step 3: Cross multiply
3,874,914.11x = 5,809,475.41 × 2,673,407.90 - Step 4: Simplify right side
3,874,914.11x = 15,531,097,455,949.74 - Step 5: Solve for x
x = 15,531,097,455,949.74/3,874,914.11 - Step 6: Final answer
x = 4,008,113.99
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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.