Finding the Fourth Proportional to 3,819,626.08, 5,728,224.02 and 1,260,364.05
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Solution
The fourth proportional to 3,819,626.08, 5,728,224.02 and 1,260,364.05 is: 1,890,145.13
Step by Step Solution
- Step 1: Write the proportion equation
3,819,626.08 : 5,728,224.02 = 1,260,364.05 : x - Step 2: Convert to fraction form
3,819,626.08/5,728,224.02 = 1,260,364.05/x - Step 3: Cross multiply
3,819,626.08x = 5,728,224.02 × 1,260,364.05 - Step 4: Simplify right side
3,819,626.08x = 7,219,647,618,852.66 - Step 5: Solve for x
x = 7,219,647,618,852.66/3,819,626.08 - Step 6: Final answer
x = 1,890,145.13
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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.