Finding the Fourth Proportional to 2,084,431.80, 3,125,246.10 and 821,609.40
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Solution
The fourth proportional to 2,084,431.80, 3,125,246.10 and 821,609.40 is: 1,231,861.64
Step by Step Solution
- Step 1: Write the proportion equation
2,084,431.80 : 3,125,246.10 = 821,609.40 : x - Step 2: Convert to fraction form
2,084,431.80/3,125,246.10 = 821,609.40/x - Step 3: Cross multiply
2,084,431.80x = 3,125,246.10 × 821,609.40 - Step 4: Simplify right side
2,084,431.80x = 2,567,731,573,073.34 - Step 5: Solve for x
x = 2,567,731,573,073.34/2,084,431.80 - Step 6: Final answer
x = 1,231,861.64
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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.