Finding the Fourth Proportional to 1,568,064.12, 2,351,815.61 and 415,318.56
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Solution
The fourth proportional to 1,568,064.12, 2,351,815.61 and 415,318.56 is: 622,903.53
Step by Step Solution
- Step 1: Write the proportion equation
1,568,064.12 : 2,351,815.61 = 415,318.56 : x - Step 2: Convert to fraction form
1,568,064.12/2,351,815.61 = 415,318.56/x - Step 3: Cross multiply
1,568,064.12x = 2,351,815.61 × 415,318.56 - Step 4: Simplify right side
1,568,064.12x = 976,752,670,454.13 - Step 5: Solve for x
x = 976,752,670,454.13/1,568,064.12 - Step 6: Final answer
x = 622,903.53
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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.