Finding the Fourth Proportional to 1,738,049.68, 2,395,995.24 and 1,220,227.12
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Solution
The fourth proportional to 1,738,049.68, 2,395,995.24 and 1,220,227.12 is: 1,682,148.91
Step by Step Solution
- Step 1: Write the proportion equation
1,738,049.68 : 2,395,995.24 = 1,220,227.12 : x - Step 2: Convert to fraction form
1,738,049.68/2,395,995.24 = 1,220,227.12/x - Step 3: Cross multiply
1,738,049.68x = 2,395,995.24 × 1,220,227.12 - Step 4: Simplify right side
1,738,049.68x = 2,923,658,371,238.91 - Step 5: Solve for x
x = 2,923,658,371,238.91/1,738,049.68 - Step 6: Final answer
x = 1,682,148.91
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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.