Finding the Fourth Proportional to 1,479,226.96, 2,040,980.82 and 1,020,194.80
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Solution
The fourth proportional to 1,479,226.96, 2,040,980.82 and 1,020,194.80 is: 1,407,625.79
Step by Step Solution
- Step 1: Write the proportion equation
1,479,226.96 : 2,040,980.82 = 1,020,194.80 : x - Step 2: Convert to fraction form
1,479,226.96/2,040,980.82 = 1,020,194.80/x - Step 3: Cross multiply
1,479,226.96x = 2,040,980.82 × 1,020,194.80 - Step 4: Simplify right side
1,479,226.96x = 2,082,198,019,463.74 - Step 5: Solve for x
x = 2,082,198,019,463.74/1,479,226.96 - Step 6: Final answer
x = 1,407,625.79
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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.