Finding the Fourth Proportional to 4,021,286.24, 5,549,382.06 and 2,185,739.54
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Solution
The fourth proportional to 4,021,286.24, 5,549,382.06 and 2,185,739.54 is: 3,016,324.39
Step by Step Solution
- Step 1: Write the proportion equation
4,021,286.24 : 5,549,382.06 = 2,185,739.54 : x - Step 2: Convert to fraction form
4,021,286.24/5,549,382.06 = 2,185,739.54/x - Step 3: Cross multiply
4,021,286.24x = 5,549,382.06 × 2,185,739.54 - Step 4: Simplify right side
4,021,286.24x = 12,129,503,763,361.74 - Step 5: Solve for x
x = 12,129,503,763,361.74/4,021,286.24 - Step 6: Final answer
x = 3,016,324.39
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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.