Finding the Fourth Proportional to 3,867,968.97, 5,801,953.50 and 1,343,626.65
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Solution
The fourth proportional to 3,867,968.97, 5,801,953.50 and 1,343,626.65 is: 2,015,439.99
Step by Step Solution
- Step 1: Write the proportion equation
3,867,968.97 : 5,801,953.50 = 1,343,626.65 : x - Step 2: Convert to fraction form
3,867,968.97/5,801,953.50 = 1,343,626.65/x - Step 3: Cross multiply
3,867,968.97x = 5,801,953.50 × 1,343,626.65 - Step 4: Simplify right side
3,867,968.97x = 7,795,659,344,660.78 - Step 5: Solve for x
x = 7,795,659,344,660.78/3,867,968.97 - Step 6: Final answer
x = 2,015,439.99
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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.