Finding the Fourth Proportional to 2,105,137.28, 3,157,229.68 and 966,805.12
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Solution
The fourth proportional to 2,105,137.28, 3,157,229.68 and 966,805.12 is: 1,449,988.96
Step by Step Solution
- Step 1: Write the proportion equation
2,105,137.28 : 3,157,229.68 = 966,805.12 : x - Step 2: Convert to fraction form
2,105,137.28/3,157,229.68 = 966,805.12/x - Step 3: Cross multiply
2,105,137.28x = 3,157,229.68 × 966,805.12 - Step 4: Simplify right side
2,105,137.28x = 3,052,425,819,639.96 - Step 5: Solve for x
x = 3,052,425,819,639.96/2,105,137.28 - Step 6: Final answer
x = 1,449,988.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.