Finding the Fourth Proportional to 4,744,131.99, 7,116,134.93 and 1,149,930.08
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Solution
The fourth proportional to 4,744,131.99, 7,116,134.93 and 1,149,930.08 is: 1,724,879.83
Step by Step Solution
- Step 1: Write the proportion equation
4,744,131.99 : 7,116,134.93 = 1,149,930.08 : x - Step 2: Convert to fraction form
4,744,131.99/7,116,134.93 = 1,149,930.08/x - Step 3: Cross multiply
4,744,131.99x = 7,116,134.93 × 1,149,930.08 - Step 4: Simplify right side
4,744,131.99x = 8,183,057,568,015.37 - Step 5: Solve for x
x = 8,183,057,568,015.37/4,744,131.99 - Step 6: Final answer
x = 1,724,879.83
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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.