Finding the Fourth Proportional to 2,274,182.97, 3,138,647.70 and 1,294,360.23
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Solution
The fourth proportional to 2,274,182.97, 3,138,647.70 and 1,294,360.23 is: 1,786,373.75
Step by Step Solution
- Step 1: Write the proportion equation
2,274,182.97 : 3,138,647.70 = 1,294,360.23 : x - Step 2: Convert to fraction form
2,274,182.97/3,138,647.70 = 1,294,360.23/x - Step 3: Cross multiply
2,274,182.97x = 3,138,647.70 × 1,294,360.23 - Step 4: Simplify right side
2,274,182.97x = 4,062,540,758,860.97 - Step 5: Solve for x
x = 4,062,540,758,860.97/2,274,182.97 - Step 6: Final answer
x = 1,786,373.75
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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.