Finding the Fourth Proportional to 2,165,874, 2,982,230.10 and 1,923,735.84
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Solution
The fourth proportional to 2,165,874, 2,982,230.10 and 1,923,735.84 is: 2,648,825.80
Step by Step Solution
- Step 1: Write the proportion equation
2,165,874 : 2,982,230.10 = 1,923,735.84 : x - Step 2: Convert to fraction form
2,165,874/2,982,230.10 = 1,923,735.84/x - Step 3: Cross multiply
2,165,874x = 2,982,230.10 × 1,923,735.84 - Step 4: Simplify right side
2,165,874x = 5,737,022,926,496.78 - Step 5: Solve for x
x = 5,737,022,926,496.78/2,165,874 - Step 6: Final answer
x = 2,648,825.80
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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.