Finding the Fourth Proportional to 2,612,044.22, 3,918,673.82 and 814,830.80
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Solution
The fourth proportional to 2,612,044.22, 3,918,673.82 and 814,830.80 is: 1,222,435.70
Step by Step Solution
- Step 1: Write the proportion equation
2,612,044.22 : 3,918,673.82 = 814,830.80 : x - Step 2: Convert to fraction form
2,612,044.22/3,918,673.82 = 814,830.80/x - Step 3: Cross multiply
2,612,044.22x = 3,918,673.82 × 814,830.80 - Step 4: Simplify right side
2,612,044.22x = 3,193,056,100,022.13 - Step 5: Solve for x
x = 3,193,056,100,022.13/2,612,044.22 - Step 6: Final answer
x = 1,222,435.70
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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.