Finding the Fourth Proportional to 1,687,240.12, 2,328,391.56 and 923,293.84
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Solution
The fourth proportional to 1,687,240.12, 2,328,391.56 and 923,293.84 is: 1,274,145.61
Step by Step Solution
- Step 1: Write the proportion equation
1,687,240.12 : 2,328,391.56 = 923,293.84 : x - Step 2: Convert to fraction form
1,687,240.12/2,328,391.56 = 923,293.84/x - Step 3: Cross multiply
1,687,240.12x = 2,328,391.56 × 923,293.84 - Step 4: Simplify right side
1,687,240.12x = 2,149,789,584,455.99 - Step 5: Solve for x
x = 2,149,789,584,455.99/1,687,240.12 - Step 6: Final answer
x = 1,274,145.61
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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.