Finding the Fourth Proportional to 2,047,390.20, 3,072,467.70 and 1,148,830.20
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Solution
The fourth proportional to 2,047,390.20, 3,072,467.70 and 1,148,830.20 is: 1,724,020.99
Step by Step Solution
- Step 1: Write the proportion equation
2,047,390.20 : 3,072,467.70 = 1,148,830.20 : x - Step 2: Convert to fraction form
2,047,390.20/3,072,467.70 = 1,148,830.20/x - Step 3: Cross multiply
2,047,390.20x = 3,072,467.70 × 1,148,830.20 - Step 4: Simplify right side
2,047,390.20x = 3,529,743,682,284.54 - Step 5: Solve for x
x = 3,529,743,682,284.54/2,047,390.20 - Step 6: Final answer
x = 1,724,020.99
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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.