Finding the Fourth Proportional to 1,670,396.87, 2,305,147.67 and 906,450.44
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Solution
The fourth proportional to 1,670,396.87, 2,305,147.67 and 906,450.44 is: 1,250,901.59
Step by Step Solution
- Step 1: Write the proportion equation
1,670,396.87 : 2,305,147.67 = 906,450.44 : x - Step 2: Convert to fraction form
1,670,396.87/2,305,147.67 = 906,450.44/x - Step 3: Cross multiply
1,670,396.87x = 2,305,147.67 × 906,450.44 - Step 4: Simplify right side
1,670,396.87x = 2,089,502,107,077.67 - Step 5: Solve for x
x = 2,089,502,107,077.67/1,670,396.87 - Step 6: Final answer
x = 1,250,901.59
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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.