Finding the Fourth Proportional to 3,143,054.16, 4,716,928.08 and 2,129,772.96
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Solution
The fourth proportional to 3,143,054.16, 4,716,928.08 and 2,129,772.96 is: 3,196,249.69
Step by Step Solution
- Step 1: Write the proportion equation
3,143,054.16 : 4,716,928.08 = 2,129,772.96 : x - Step 2: Convert to fraction form
3,143,054.16/4,716,928.08 = 2,129,772.96/x - Step 3: Cross multiply
3,143,054.16x = 4,716,928.08 × 2,129,772.96 - Step 4: Simplify right side
3,143,054.16x = 10,045,985,879,048.72 - Step 5: Solve for x
x = 10,045,985,879,048.72/3,143,054.16 - Step 6: Final answer
x = 3,196,249.69
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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.