Finding the Fourth Proportional to 1,686,812.68, 2,530,350.24 and 488,752.21
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Solution
The fourth proportional to 1,686,812.68, 2,530,350.24 and 488,752.21 is: 733,166.33
Step by Step Solution
- Step 1: Write the proportion equation
1,686,812.68 : 2,530,350.24 = 488,752.21 : x - Step 2: Convert to fraction form
1,686,812.68/2,530,350.24 = 488,752.21/x - Step 3: Cross multiply
1,686,812.68x = 2,530,350.24 × 488,752.21 - Step 4: Simplify right side
1,686,812.68x = 1,236,714,256,778.52 - Step 5: Solve for x
x = 1,236,714,256,778.52/1,686,812.68 - Step 6: Final answer
x = 733,166.33
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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.