Finding the Fourth Proportional to 2,086,958.99, 2,879,349.70 and 1,169,064.15
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Solution
The fourth proportional to 2,086,958.99, 2,879,349.70 and 1,169,064.15 is: 1,612,942.34
Step by Step Solution
- Step 1: Write the proportion equation
2,086,958.99 : 2,879,349.70 = 1,169,064.15 : x - Step 2: Convert to fraction form
2,086,958.99/2,879,349.70 = 1,169,064.15/x - Step 3: Cross multiply
2,086,958.99x = 2,879,349.70 × 1,169,064.15 - Step 4: Simplify right side
2,086,958.99x = 3,366,144,509,583.26 - Step 5: Solve for x
x = 3,366,144,509,583.26/2,086,958.99 - Step 6: Final answer
x = 1,612,942.34
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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.