Finding the Fourth Proportional to 6,353,761.99, 8,768,249.49 and 3,453,160.27
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Solution
The fourth proportional to 6,353,761.99, 8,768,249.49 and 3,453,160.27 is: 4,765,392.66
Step by Step Solution
- Step 1: Write the proportion equation
6,353,761.99 : 8,768,249.49 = 3,453,160.27 : x - Step 2: Convert to fraction form
6,353,761.99/8,768,249.49 = 3,453,160.27/x - Step 3: Cross multiply
6,353,761.99x = 8,768,249.49 × 3,453,160.27 - Step 4: Simplify right side
6,353,761.99x = 30,278,170,776,315.76 - Step 5: Solve for x
x = 30,278,170,776,315.76/6,353,761.99 - Step 6: Final answer
x = 4,765,392.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.