Finding the Fourth Proportional to 3,806,126.56, 5,709,420.42 and 1,531,642.24
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Solution
The fourth proportional to 3,806,126.56, 5,709,420.42 and 1,531,642.24 is: 2,297,556.15
Step by Step Solution
- Step 1: Write the proportion equation
3,806,126.56 : 5,709,420.42 = 1,531,642.24 : x - Step 2: Convert to fraction form
3,806,126.56/5,709,420.42 = 1,531,642.24/x - Step 3: Cross multiply
3,806,126.56x = 5,709,420.42 × 1,531,642.24 - Step 4: Simplify right side
3,806,126.56x = 8,744,789,481,190.54 - Step 5: Solve for x
x = 8,744,789,481,190.54/3,806,126.56 - Step 6: Final answer
x = 2,297,556.15
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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.