Finding the Fourth Proportional to 1,489,133.24, 2,054,321.34 and 876,992.97
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Solution
The fourth proportional to 1,489,133.24, 2,054,321.34 and 876,992.97 is: 1,209,848.34
Step by Step Solution
- Step 1: Write the proportion equation
1,489,133.24 : 2,054,321.34 = 876,992.97 : x - Step 2: Convert to fraction form
1,489,133.24/2,054,321.34 = 876,992.97/x - Step 3: Cross multiply
1,489,133.24x = 2,054,321.34 × 876,992.97 - Step 4: Simplify right side
1,489,133.24x = 1,801,625,382,649.05 - Step 5: Solve for x
x = 1,801,625,382,649.05/1,489,133.24 - Step 6: Final answer
x = 1,209,848.34
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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.