Finding the Fourth Proportional to 5,316,433.44, 7,971,847.92 and 2,321,118.24
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Solution
The fourth proportional to 5,316,433.44, 7,971,847.92 and 2,321,118.24 is: 3,480,453.92
Step by Step Solution
- Step 1: Write the proportion equation
5,316,433.44 : 7,971,847.92 = 2,321,118.24 : x - Step 2: Convert to fraction form
5,316,433.44/7,971,847.92 = 2,321,118.24/x - Step 3: Cross multiply
5,316,433.44x = 7,971,847.92 × 2,321,118.24 - Step 4: Simplify right side
5,316,433.44x = 18,503,601,613,618.06 - Step 5: Solve for x
x = 18,503,601,613,618.06/5,316,433.44 - Step 6: Final answer
x = 3,480,453.92
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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.