Finding the Fourth Proportional to 2,074,121.77, 2,862,920.64 and 1,203,176.56
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Solution
The fourth proportional to 2,074,121.77, 2,862,920.64 and 1,203,176.56 is: 1,660,750.62
Step by Step Solution
- Step 1: Write the proportion equation
2,074,121.77 : 2,862,920.64 = 1,203,176.56 : x - Step 2: Convert to fraction form
2,074,121.77/2,862,920.64 = 1,203,176.56/x - Step 3: Cross multiply
2,074,121.77x = 2,862,920.64 × 1,203,176.56 - Step 4: Simplify right side
2,074,121.77x = 3,444,599,007,188.20 - Step 5: Solve for x
x = 3,444,599,007,188.20/2,074,121.77 - Step 6: Final answer
x = 1,660,750.62
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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.