Finding the Fourth Proportional to 1,801,781.25, 2,486,458.43 and 985,985.14
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Solution
The fourth proportional to 1,801,781.25, 2,486,458.43 and 985,985.14 is: 1,360,659.66
Step by Step Solution
- Step 1: Write the proportion equation
1,801,781.25 : 2,486,458.43 = 985,985.14 : x - Step 2: Convert to fraction form
1,801,781.25/2,486,458.43 = 985,985.14/x - Step 3: Cross multiply
1,801,781.25x = 2,486,458.43 × 985,985.14 - Step 4: Simplify right side
1,801,781.25x = 2,451,611,063,207.73 - Step 5: Solve for x
x = 2,451,611,063,207.73/1,801,781.25 - Step 6: Final answer
x = 1,360,659.66
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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.