Finding the Fourth Proportional to 1,531,175.18, 2,298,358.84 and 678,845.39
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Solution
The fourth proportional to 1,531,175.18, 2,298,358.84 and 678,845.39 is: 1,018,975.69
Step by Step Solution
- Step 1: Write the proportion equation
1,531,175.18 : 2,298,358.84 = 678,845.39 : x - Step 2: Convert to fraction form
1,531,175.18/2,298,358.84 = 678,845.39/x - Step 3: Cross multiply
1,531,175.18x = 2,298,358.84 × 678,845.39 - Step 4: Simplify right side
1,531,175.18x = 1,560,230,289,910.84 - Step 5: Solve for x
x = 1,560,230,289,910.84/1,531,175.18 - Step 6: Final answer
x = 1,018,975.69
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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.