Finding the Fourth Proportional to 3,431,241.28, 5,147,101.68 and 1,409,587.12
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Solution
The fourth proportional to 3,431,241.28, 5,147,101.68 and 1,409,587.12 is: 2,114,479.18
Step by Step Solution
- Step 1: Write the proportion equation
3,431,241.28 : 5,147,101.68 = 1,409,587.12 : x - Step 2: Convert to fraction form
3,431,241.28/5,147,101.68 = 1,409,587.12/x - Step 3: Cross multiply
3,431,241.28x = 5,147,101.68 × 1,409,587.12 - Step 4: Simplify right side
3,431,241.28x = 7,255,288,233,458.36 - Step 5: Solve for x
x = 7,255,288,233,458.36/3,431,241.28 - Step 6: Final answer
x = 2,114,479.18
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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.