Finding the Fourth Proportional to 4,174,889.91, 5,761,370.21 and 2,339,352.15
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Solution
The fourth proportional to 4,174,889.91, 5,761,370.21 and 2,339,352.15 is: 3,228,318.37
Step by Step Solution
- Step 1: Write the proportion equation
4,174,889.91 : 5,761,370.21 = 2,339,352.15 : x - Step 2: Convert to fraction form
4,174,889.91/5,761,370.21 = 2,339,352.15/x - Step 3: Cross multiply
4,174,889.91x = 5,761,370.21 × 2,339,352.15 - Step 4: Simplify right side
4,174,889.91x = 13,477,873,776,012.69 - Step 5: Solve for x
x = 13,477,873,776,012.69/4,174,889.91 - Step 6: Final answer
x = 3,228,318.37
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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.