Finding the Fourth Proportional to 2,321,818.99, 3,204,190.37 and 1,289,344.06
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Solution
The fourth proportional to 2,321,818.99, 3,204,190.37 and 1,289,344.06 is: 1,779,339.32
Step by Step Solution
- Step 1: Write the proportion equation
2,321,818.99 : 3,204,190.37 = 1,289,344.06 : x - Step 2: Convert to fraction form
2,321,818.99/3,204,190.37 = 1,289,344.06/x - Step 3: Cross multiply
2,321,818.99x = 3,204,190.37 × 1,289,344.06 - Step 4: Simplify right side
2,321,818.99x = 4,131,303,820,668.70 - Step 5: Solve for x
x = 4,131,303,820,668.70/2,321,818.99 - Step 6: Final answer
x = 1,779,339.32
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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.