Finding the Fourth Proportional to 4,991,399.84, 6,888,189.84 and 2,816,046.56
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Solution
The fourth proportional to 4,991,399.84, 6,888,189.84 and 2,816,046.56 is: 3,886,177.01
Step by Step Solution
- Step 1: Write the proportion equation
4,991,399.84 : 6,888,189.84 = 2,816,046.56 : x - Step 2: Convert to fraction form
4,991,399.84/6,888,189.84 = 2,816,046.56/x - Step 3: Cross multiply
4,991,399.84x = 6,888,189.84 × 2,816,046.56 - Step 4: Simplify right side
4,991,399.84x = 19,397,463,303,558.95 - Step 5: Solve for x
x = 19,397,463,303,558.95/4,991,399.84 - Step 6: Final answer
x = 3,886,177.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.