Finding the Fourth Proportional to 6,297,896.34, 8,690,817.36 and 3,507,163.54
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Solution
The fourth proportional to 6,297,896.34, 8,690,817.36 and 3,507,163.54 is: 4,839,729.99
Step by Step Solution
- Step 1: Write the proportion equation
6,297,896.34 : 8,690,817.36 = 3,507,163.54 : x - Step 2: Convert to fraction form
6,297,896.34/8,690,817.36 = 3,507,163.54/x - Step 3: Cross multiply
6,297,896.34x = 8,690,817.36 × 3,507,163.54 - Step 4: Simplify right side
6,297,896.34x = 30,480,117,769,215.88 - Step 5: Solve for x
x = 30,480,117,769,215.88/6,297,896.34 - Step 6: Final answer
x = 4,839,729.99
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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.