Finding the Fourth Proportional to 1,384,676.28, 2,077,942.14 and 486,120.66
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Solution
The fourth proportional to 1,384,676.28, 2,077,942.14 and 486,120.66 is: 729,506.69
Step by Step Solution
- Step 1: Write the proportion equation
1,384,676.28 : 2,077,942.14 = 486,120.66 : x - Step 2: Convert to fraction form
1,384,676.28/2,077,942.14 = 486,120.66/x - Step 3: Cross multiply
1,384,676.28x = 2,077,942.14 × 486,120.66 - Step 4: Simplify right side
1,384,676.28x = 1,010,130,604,538.61 - Step 5: Solve for x
x = 1,010,130,604,538.61/1,384,676.28 - Step 6: Final answer
x = 729,506.69
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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.