Finding the Fourth Proportional to 3,416,908.71, 4,715,342.50 and 1,868,270.33
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Solution
The fourth proportional to 3,416,908.71, 4,715,342.50 and 1,868,270.33 is: 2,578,217.69
Step by Step Solution
- Step 1: Write the proportion equation
3,416,908.71 : 4,715,342.50 = 1,868,270.33 : x - Step 2: Convert to fraction form
3,416,908.71/4,715,342.50 = 1,868,270.33/x - Step 3: Cross multiply
3,416,908.71x = 4,715,342.50 × 1,868,270.33 - Step 4: Simplify right side
3,416,908.71x = 8,809,534,469,631.99 - Step 5: Solve for x
x = 8,809,534,469,631.99/3,416,908.71 - Step 6: Final answer
x = 2,578,217.69
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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.