Finding the Fourth Proportional to 2,251,660.11, 3,107,292.42 and 1,219,168.63
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Solution
The fourth proportional to 2,251,660.11, 3,107,292.42 and 1,219,168.63 is: 1,682,453.50
Step by Step Solution
- Step 1: Write the proportion equation
2,251,660.11 : 3,107,292.42 = 1,219,168.63 : x - Step 2: Convert to fraction form
2,251,660.11/3,107,292.42 = 1,219,168.63/x - Step 3: Cross multiply
2,251,660.11x = 3,107,292.42 × 1,219,168.63 - Step 4: Simplify right side
2,251,660.11x = 3,788,313,442,700.78 - Step 5: Solve for x
x = 3,788,313,442,700.78/2,251,660.11 - Step 6: Final answer
x = 1,682,453.50
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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.