Finding the Fourth Proportional to 2,560,481.36, 3,533,968.67 and 1,527,472.11
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Solution
The fourth proportional to 2,560,481.36, 3,533,968.67 and 1,527,472.11 is: 2,108,212.41
Step by Step Solution
- Step 1: Write the proportion equation
2,560,481.36 : 3,533,968.67 = 1,527,472.11 : x - Step 2: Convert to fraction form
2,560,481.36/3,533,968.67 = 1,527,472.11/x - Step 3: Cross multiply
2,560,481.36x = 3,533,968.67 × 1,527,472.11 - Step 4: Simplify right side
2,560,481.36x = 5,398,038,561,131.97 - Step 5: Solve for x
x = 5,398,038,561,131.97/2,560,481.36 - Step 6: Final answer
x = 2,108,212.41
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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.