Finding the Fourth Proportional to 1,760,640.48, 2,641,135.68 and 638,796.96
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Solution
The fourth proportional to 1,760,640.48, 2,641,135.68 and 638,796.96 is: 958,258.92
Step by Step Solution
- Step 1: Write the proportion equation
1,760,640.48 : 2,641,135.68 = 638,796.96 : x - Step 2: Convert to fraction form
1,760,640.48/2,641,135.68 = 638,796.96/x - Step 3: Cross multiply
1,760,640.48x = 2,641,135.68 × 638,796.96 - Step 4: Simplify right side
1,760,640.48x = 1,687,149,443,331.53 - Step 5: Solve for x
x = 1,687,149,443,331.53/1,760,640.48 - Step 6: Final answer
x = 958,258.92
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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.