Finding the Fourth Proportional to 5,031,183.36, 6,943,157.44 and 2,739,469.44
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Solution
The fourth proportional to 5,031,183.36, 6,943,157.44 and 2,739,469.44 is: 3,780,535.56
Step by Step Solution
- Step 1: Write the proportion equation
5,031,183.36 : 6,943,157.44 = 2,739,469.44 : x - Step 2: Convert to fraction form
5,031,183.36/6,943,157.44 = 2,739,469.44/x - Step 3: Cross multiply
5,031,183.36x = 6,943,157.44 × 2,739,469.44 - Step 4: Simplify right side
5,031,183.36x = 19,020,567,623,988.63 - Step 5: Solve for x
x = 19,020,567,623,988.63/5,031,183.36 - Step 6: Final answer
x = 3,780,535.56
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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.