Finding the Fourth Proportional to 3,026,863.48, 4,174,709.67 and 1,939,236.96
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Solution
The fourth proportional to 3,026,863.48, 4,174,709.67 and 1,939,236.96 is: 2,674,633.77
Step by Step Solution
- Step 1: Write the proportion equation
3,026,863.48 : 4,174,709.67 = 1,939,236.96 : x - Step 2: Convert to fraction form
3,026,863.48/4,174,709.67 = 1,939,236.96/x - Step 3: Cross multiply
3,026,863.48x = 4,174,709.67 × 1,939,236.96 - Step 4: Simplify right side
3,026,863.48x = 8,095,751,289,333.40 - Step 5: Solve for x
x = 8,095,751,289,333.40/3,026,863.48 - Step 6: Final answer
x = 2,674,633.77
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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.