Finding the Fourth Proportional to 1,214,186.14, 1,820,961.86 and 361,028.03
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Solution
The fourth proportional to 1,214,186.14, 1,820,961.86 and 361,028.03 is: 541,447.68
Step by Step Solution
- Step 1: Write the proportion equation
1,214,186.14 : 1,820,961.86 = 361,028.03 : x - Step 2: Convert to fraction form
1,214,186.14/1,820,961.86 = 361,028.03/x - Step 3: Cross multiply
1,214,186.14x = 1,820,961.86 × 361,028.03 - Step 4: Simplify right side
1,214,186.14x = 657,418,263,916.13 - Step 5: Solve for x
x = 657,418,263,916.13/1,214,186.14 - Step 6: Final answer
x = 541,447.68
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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.