Finding the Fourth Proportional to 1,686,817.43, 2,530,226.23 and 488,740.53
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Solution
The fourth proportional to 1,686,817.43, 2,530,226.23 and 488,740.53 is: 733,110.82
Step by Step Solution
- Step 1: Write the proportion equation
1,686,817.43 : 2,530,226.23 = 488,740.53 : x - Step 2: Convert to fraction form
1,686,817.43/2,530,226.23 = 488,740.53/x - Step 3: Cross multiply
1,686,817.43x = 2,530,226.23 × 488,740.53 - Step 4: Simplify right side
1,686,817.43x = 1,236,624,107,448.25 - Step 5: Solve for x
x = 1,236,624,107,448.25/1,686,817.43 - Step 6: Final answer
x = 733,110.82
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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.