Finding the Fourth Proportional to 4,079,612.58, 5,629,871.07 and 2,268,776.58
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Solution
The fourth proportional to 4,079,612.58, 5,629,871.07 and 2,268,776.58 is: 3,130,914.86
Step by Step Solution
- Step 1: Write the proportion equation
4,079,612.58 : 5,629,871.07 = 2,268,776.58 : x - Step 2: Convert to fraction form
4,079,612.58/5,629,871.07 = 2,268,776.58/x - Step 3: Cross multiply
4,079,612.58x = 5,629,871.07 × 2,268,776.58 - Step 4: Simplify right side
4,079,612.58x = 12,772,919,632,035.54 - Step 5: Solve for x
x = 12,772,919,632,035.54/4,079,612.58 - Step 6: Final answer
x = 3,130,914.86
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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.