Finding the Fourth Proportional to 1,313,516.30, 1,970,128.65 and 366,982.70
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Solution
The fourth proportional to 1,313,516.30, 1,970,128.65 and 366,982.70 is: 550,433.32
Step by Step Solution
- Step 1: Write the proportion equation
1,313,516.30 : 1,970,128.65 = 366,982.70 : x - Step 2: Convert to fraction form
1,313,516.30/1,970,128.65 = 366,982.70/x - Step 3: Cross multiply
1,313,516.30x = 1,970,128.65 × 366,982.70 - Step 4: Simplify right side
1,313,516.30x = 723,003,131,324.36 - Step 5: Solve for x
x = 723,003,131,324.36/1,313,516.30 - Step 6: Final answer
x = 550,433.32
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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.