Finding the Fourth Proportional to 2,084,104.20, 3,125,378.70 and 821,670.60
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Solution
The fourth proportional to 2,084,104.20, 3,125,378.70 and 821,670.60 is: 1,232,199.33
Step by Step Solution
- Step 1: Write the proportion equation
2,084,104.20 : 3,125,378.70 = 821,670.60 : x - Step 2: Convert to fraction form
2,084,104.20/3,125,378.70 = 821,670.60/x - Step 3: Cross multiply
2,084,104.20x = 3,125,378.70 × 821,670.60 - Step 4: Simplify right side
2,084,104.20x = 2,568,031,791,656.22 - Step 5: Solve for x
x = 2,568,031,791,656.22/2,084,104.20 - Step 6: Final answer
x = 1,232,199.33
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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.