Finding the Fourth Proportional to 7,106,449.42, 10,659,675.94 and 1,989,633.14
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Solution
The fourth proportional to 7,106,449.42, 10,659,675.94 and 1,989,633.14 is: 2,984,450.22
Step by Step Solution
- Step 1: Write the proportion equation
7,106,449.42 : 10,659,675.94 = 1,989,633.14 : x - Step 2: Convert to fraction form
7,106,449.42/10,659,675.94 = 1,989,633.14/x - Step 3: Cross multiply
7,106,449.42x = 10,659,675.94 × 1,989,633.14 - Step 4: Simplify right side
7,106,449.42x = 21,208,844,511,884.65 - Step 5: Solve for x
x = 21,208,844,511,884.65/7,106,449.42 - Step 6: Final answer
x = 2,984,450.22
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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.