Finding the Fourth Proportional to 4,289,262.26, 6,431,931.36 and 2,560,916.66
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Solution
The fourth proportional to 4,289,262.26, 6,431,931.36 and 2,560,916.66 is: 3,840,203.55
Step by Step Solution
- Step 1: Write the proportion equation
4,289,262.26 : 6,431,931.36 = 2,560,916.66 : x - Step 2: Convert to fraction form
4,289,262.26/6,431,931.36 = 2,560,916.66/x - Step 3: Cross multiply
4,289,262.26x = 6,431,931.36 × 2,560,916.66 - Step 4: Simplify right side
4,289,262.26x = 16,471,640,143,640.80 - Step 5: Solve for x
x = 16,471,640,143,640.80/4,289,262.26 - Step 6: Final answer
x = 3,840,203.55
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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.