Finding the Fourth Proportional to 3,782,319.50, 5,219,576.15 and 2,150,726.99
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Solution
The fourth proportional to 3,782,319.50, 5,219,576.15 and 2,150,726.99 is: 2,967,989.16
Step by Step Solution
- Step 1: Write the proportion equation
3,782,319.50 : 5,219,576.15 = 2,150,726.99 : x - Step 2: Convert to fraction form
3,782,319.50/5,219,576.15 = 2,150,726.99/x - Step 3: Cross multiply
3,782,319.50x = 5,219,576.15 × 2,150,726.99 - Step 4: Simplify right side
3,782,319.50x = 11,225,883,265,313.77 - Step 5: Solve for x
x = 11,225,883,265,313.77/3,782,319.50 - Step 6: Final answer
x = 2,967,989.16
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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.