Finding the Fourth Proportional to 3,469,348.81, 5,202,403.71 and 1,308,709.18
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Solution
The fourth proportional to 3,469,348.81, 5,202,403.71 and 1,308,709.18 is: 1,962,452.86
Step by Step Solution
- Step 1: Write the proportion equation
3,469,348.81 : 5,202,403.71 = 1,308,709.18 : x - Step 2: Convert to fraction form
3,469,348.81/5,202,403.71 = 1,308,709.18/x - Step 3: Cross multiply
3,469,348.81x = 5,202,403.71 × 1,308,709.18 - Step 4: Simplify right side
3,469,348.81x = 6,808,433,493,343.06 - Step 5: Solve for x
x = 6,808,433,493,343.06/3,469,348.81 - Step 6: Final answer
x = 1,962,452.86
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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.