Finding the Fourth Proportional to 5,289,829.68, 7,935,491.75 and 1,694,755.65
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Solution
The fourth proportional to 5,289,829.68, 7,935,491.75 and 1,694,755.65 is: 2,542,372.87
Step by Step Solution
- Step 1: Write the proportion equation
5,289,829.68 : 7,935,491.75 = 1,694,755.65 : x - Step 2: Convert to fraction form
5,289,829.68/7,935,491.75 = 1,694,755.65/x - Step 3: Cross multiply
5,289,829.68x = 7,935,491.75 × 1,694,755.65 - Step 4: Simplify right side
5,289,829.68x = 13,448,719,470,367.11 - Step 5: Solve for x
x = 13,448,719,470,367.11/5,289,829.68 - Step 6: Final answer
x = 2,542,372.87
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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.