Finding the Fourth Proportional to 7,738,163.58, 11,589,542.82 and 3,697,491.54
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Solution
The fourth proportional to 7,738,163.58, 11,589,542.82 and 3,697,491.54 is: 5,537,778.58
Step by Step Solution
- Step 1: Write the proportion equation
7,738,163.58 : 11,589,542.82 = 3,697,491.54 : x - Step 2: Convert to fraction form
7,738,163.58/11,589,542.82 = 3,697,491.54/x - Step 3: Cross multiply
7,738,163.58x = 11,589,542.82 × 3,697,491.54 - Step 4: Simplify right side
7,738,163.58x = 42,852,236,529,417.74 - Step 5: Solve for x
x = 42,852,236,529,417.74/7,738,163.58 - Step 6: Final answer
x = 5,537,778.58
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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.