Finding the Fourth Proportional to 1,670,409.73, 2,305,171.47 and 906,463.09
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Solution
The fourth proportional to 1,670,409.73, 2,305,171.47 and 906,463.09 is: 1,250,922.34
Step by Step Solution
- Step 1: Write the proportion equation
1,670,409.73 : 2,305,171.47 = 906,463.09 : x - Step 2: Convert to fraction form
1,670,409.73/2,305,171.47 = 906,463.09/x - Step 3: Cross multiply
1,670,409.73x = 2,305,171.47 × 906,463.09 - Step 4: Simplify right side
1,670,409.73x = 2,089,552,853,676.04 - Step 5: Solve for x
x = 2,089,552,853,676.04/1,670,409.73 - Step 6: Final answer
x = 1,250,922.34
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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.