Finding the Fourth Proportional to 1,560,241.20, 2,153,091.21 and 871,918.42
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Solution
The fourth proportional to 1,560,241.20, 2,153,091.21 and 871,918.42 is: 1,203,224.15
Step by Step Solution
- Step 1: Write the proportion equation
1,560,241.20 : 2,153,091.21 = 871,918.42 : x - Step 2: Convert to fraction form
1,560,241.20/2,153,091.21 = 871,918.42/x - Step 3: Cross multiply
1,560,241.20x = 2,153,091.21 × 871,918.42 - Step 4: Simplify right side
1,560,241.20x = 1,877,319,885,939.09 - Step 5: Solve for x
x = 1,877,319,885,939.09/1,560,241.20 - Step 6: Final answer
x = 1,203,224.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.