Finding the Fourth Proportional to 4,161,146.96, 6,241,936.44 and 1,321,481.36
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Solution
The fourth proportional to 4,161,146.96, 6,241,936.44 and 1,321,481.36 is: 1,982,290.64
Step by Step Solution
- Step 1: Write the proportion equation
4,161,146.96 : 6,241,936.44 = 1,321,481.36 : x - Step 2: Convert to fraction form
4,161,146.96/6,241,936.44 = 1,321,481.36/x - Step 3: Cross multiply
4,161,146.96x = 6,241,936.44 × 1,321,481.36 - Step 4: Simplify right side
4,161,146.96x = 8,248,602,655,764.76 - Step 5: Solve for x
x = 8,248,602,655,764.76/4,161,146.96 - Step 6: Final answer
x = 1,982,290.64
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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.