Finding the Fourth Proportional to 1,796,649.12, 2,479,338.72 and 980,868.96
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Solution
The fourth proportional to 1,796,649.12, 2,479,338.72 and 980,868.96 is: 1,353,578.93
Step by Step Solution
- Step 1: Write the proportion equation
1,796,649.12 : 2,479,338.72 = 980,868.96 : x - Step 2: Convert to fraction form
1,796,649.12/2,479,338.72 = 980,868.96/x - Step 3: Cross multiply
1,796,649.12x = 2,479,338.72 × 980,868.96 - Step 4: Simplify right side
1,796,649.12x = 2,431,906,391,774.13 - Step 5: Solve for x
x = 2,431,906,391,774.13/1,796,649.12 - Step 6: Final answer
x = 1,353,578.93
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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.