Finding the Fourth Proportional to 1,670,331.56, 2,305,063.67 and 906,385.10
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Solution
The fourth proportional to 1,670,331.56, 2,305,063.67 and 906,385.10 is: 1,250,814.75
Step by Step Solution
- Step 1: Write the proportion equation
1,670,331.56 : 2,305,063.67 = 906,385.10 : x - Step 2: Convert to fraction form
1,670,331.56/2,305,063.67 = 906,385.10/x - Step 3: Cross multiply
1,670,331.56x = 2,305,063.67 × 906,385.10 - Step 4: Simplify right side
1,670,331.56x = 2,089,275,348,982.07 - Step 5: Solve for x
x = 2,089,275,348,982.07/1,670,331.56 - Step 6: Final answer
x = 1,250,814.75
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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.