Finding the Fourth Proportional to 4,079,618.58, 5,629,879.35 and 2,268,782.58
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Solution
The fourth proportional to 4,079,618.58, 5,629,879.35 and 2,268,782.58 is: 3,130,923.14
Step by Step Solution
- Step 1: Write the proportion equation
4,079,618.58 : 5,629,879.35 = 2,268,782.58 : x - Step 2: Convert to fraction form
4,079,618.58/5,629,879.35 = 2,268,782.58/x - Step 3: Cross multiply
4,079,618.58x = 5,629,879.35 × 2,268,782.58 - Step 4: Simplify right side
4,079,618.58x = 12,772,972,196,781.72 - Step 5: Solve for x
x = 12,772,972,196,781.72/4,079,618.58 - Step 6: Final answer
x = 3,130,923.14
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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.