Finding the Fourth Proportional to 1,394,234.07, 2,091,351.15 and 448,269.09
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Solution
The fourth proportional to 1,394,234.07, 2,091,351.15 and 448,269.09 is: 672,403.65
Step by Step Solution
- Step 1: Write the proportion equation
1,394,234.07 : 2,091,351.15 = 448,269.09 : x - Step 2: Convert to fraction form
1,394,234.07/2,091,351.15 = 448,269.09/x - Step 3: Cross multiply
1,394,234.07x = 2,091,351.15 × 448,269.09 - Step 4: Simplify right side
1,394,234.07x = 937,488,069,038.39 - Step 5: Solve for x
x = 937,488,069,038.39/1,394,234.07 - Step 6: Final answer
x = 672,403.65
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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.