Finding the Fourth Proportional to 3,879,643.28, 5,819,464.98 and 1,183,982.31
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Solution
The fourth proportional to 3,879,643.28, 5,819,464.98 and 1,183,982.31 is: 1,775,973.49
Step by Step Solution
- Step 1: Write the proportion equation
3,879,643.28 : 5,819,464.98 = 1,183,982.31 : x - Step 2: Convert to fraction form
3,879,643.28/5,819,464.98 = 1,183,982.31/x - Step 3: Cross multiply
3,879,643.28x = 5,819,464.98 × 1,183,982.31 - Step 4: Simplify right side
3,879,643.28x = 6,890,143,589,984.51 - Step 5: Solve for x
x = 6,890,143,589,984.51/3,879,643.28 - Step 6: Final answer
x = 1,775,973.49
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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.