Finding the Fourth Proportional to 3,574,251.21, 4,932,516.63 and 1,942,658.09
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Solution
The fourth proportional to 3,574,251.21, 4,932,516.63 and 1,942,658.09 is: 2,680,895.31
Step by Step Solution
- Step 1: Write the proportion equation
3,574,251.21 : 4,932,516.63 = 1,942,658.09 : x - Step 2: Convert to fraction form
3,574,251.21/4,932,516.63 = 1,942,658.09/x - Step 3: Cross multiply
3,574,251.21x = 4,932,516.63 × 1,942,658.09 - Step 4: Simplify right side
3,574,251.21x = 9,582,193,310,666.45 - Step 5: Solve for x
x = 9,582,193,310,666.45/3,574,251.21 - Step 6: Final answer
x = 2,680,895.31
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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.