Finding the Fourth Proportional to 4,158,421.60, 6,231,202.92 and 3,245,439.32
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Solution
The fourth proportional to 4,158,421.60, 6,231,202.92 and 3,245,439.32 is: 4,863,141.09
Step by Step Solution
- Step 1: Write the proportion equation
4,158,421.60 : 6,231,202.92 = 3,245,439.32 : x - Step 2: Convert to fraction form
4,158,421.60/6,231,202.92 = 3,245,439.32/x - Step 3: Cross multiply
4,158,421.60x = 6,231,202.92 × 3,245,439.32 - Step 4: Simplify right side
4,158,421.60x = 20,222,990,967,466.81 - Step 5: Solve for x
x = 20,222,990,967,466.81/4,158,421.60 - Step 6: Final answer
x = 4,863,141.09
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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.