Finding the Fourth Proportional to 4,211,022.36, 6,315,873.90 and 1,371,115.32
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Solution
The fourth proportional to 4,211,022.36, 6,315,873.90 and 1,371,115.32 is: 2,056,458.20
Step by Step Solution
- Step 1: Write the proportion equation
4,211,022.36 : 6,315,873.90 = 1,371,115.32 : x - Step 2: Convert to fraction form
4,211,022.36/6,315,873.90 = 1,371,115.32/x - Step 3: Cross multiply
4,211,022.36x = 6,315,873.90 × 1,371,115.32 - Step 4: Simplify right side
4,211,022.36x = 8,659,791,463,478.15 - Step 5: Solve for x
x = 8,659,791,463,478.15/4,211,022.36 - Step 6: Final answer
x = 2,056,458.20
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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.