Finding the Fourth Proportional to 5,710,072.93, 7,880,101.41 and 3,131,764.09
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Solution
The fourth proportional to 5,710,072.93, 7,880,101.41 and 3,131,764.09 is: 4,321,944.56
Step by Step Solution
- Step 1: Write the proportion equation
5,710,072.93 : 7,880,101.41 = 3,131,764.09 : x - Step 2: Convert to fraction form
5,710,072.93/7,880,101.41 = 3,131,764.09/x - Step 3: Cross multiply
5,710,072.93x = 7,880,101.41 × 3,131,764.09 - Step 4: Simplify right side
5,710,072.93x = 24,678,618,621,396.37 - Step 5: Solve for x
x = 24,678,618,621,396.37/5,710,072.93 - Step 6: Final answer
x = 4,321,944.56
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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.