Finding the Fourth Proportional to 3,845,989.92, 5,769,102.96 and 1,321,609.44
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Solution
The fourth proportional to 3,845,989.92, 5,769,102.96 and 1,321,609.44 is: 1,982,454.74
Step by Step Solution
- Step 1: Write the proportion equation
3,845,989.92 : 5,769,102.96 = 1,321,609.44 : x - Step 2: Convert to fraction form
3,845,989.92/5,769,102.96 = 1,321,609.44/x - Step 3: Cross multiply
3,845,989.92x = 5,769,102.96 × 1,321,609.44 - Step 4: Simplify right side
3,845,989.92x = 7,624,500,932,267.94 - Step 5: Solve for x
x = 7,624,500,932,267.94/3,845,989.92 - Step 6: Final answer
x = 1,982,454.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.