Finding the Fourth Proportional to 3,625,649.24, 5,438,828.96 and 1,320,768.72
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Solution
The fourth proportional to 3,625,649.24, 5,438,828.96 and 1,320,768.72 is: 1,981,282.44
Step by Step Solution
- Step 1: Write the proportion equation
3,625,649.24 : 5,438,828.96 = 1,320,768.72 : x - Step 2: Convert to fraction form
3,625,649.24/5,438,828.96 = 1,320,768.72/x - Step 3: Cross multiply
3,625,649.24x = 5,438,828.96 × 1,320,768.72 - Step 4: Simplify right side
3,625,649.24x = 7,183,435,163,798.13 - Step 5: Solve for x
x = 7,183,435,163,798.13/3,625,649.24 - Step 6: Final answer
x = 1,981,282.44
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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.