Finding the Fourth Proportional to 7,117,438.14, 10,673,949.42 and 2,567,895.48
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Solution
The fourth proportional to 7,117,438.14, 10,673,949.42 and 2,567,895.48 is: 3,851,046.67
Step by Step Solution
- Step 1: Write the proportion equation
7,117,438.14 : 10,673,949.42 = 2,567,895.48 : x - Step 2: Convert to fraction form
7,117,438.14/10,673,949.42 = 2,567,895.48/x - Step 3: Cross multiply
7,117,438.14x = 10,673,949.42 × 2,567,895.48 - Step 4: Simplify right side
7,117,438.14x = 27,409,586,469,366.62 - Step 5: Solve for x
x = 27,409,586,469,366.62/7,117,438.14 - Step 6: Final answer
x = 3,851,046.67
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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.