Finding the Fourth Proportional to 4,262,557.70, 6,393,836.55 and 3,072,829.70
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Solution
The fourth proportional to 4,262,557.70, 6,393,836.55 and 3,072,829.70 is: 4,609,244.55
Step by Step Solution
- Step 1: Write the proportion equation
4,262,557.70 : 6,393,836.55 = 3,072,829.70 : x - Step 2: Convert to fraction form
4,262,557.70/6,393,836.55 = 3,072,829.70/x - Step 3: Cross multiply
4,262,557.70x = 6,393,836.55 × 3,072,829.70 - Step 4: Simplify right side
4,262,557.70x = 19,647,170,847,785.54 - Step 5: Solve for x
x = 19,647,170,847,785.54/4,262,557.70 - Step 6: Final answer
x = 4,609,244.55
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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.