Finding the Fourth Proportional to 2,101,087.20, 3,146,965.20 and 1,821,151.20
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Solution
The fourth proportional to 2,101,087.20, 3,146,965.20 and 1,821,151.20 is: 2,727,682.82
Step by Step Solution
- Step 1: Write the proportion equation
2,101,087.20 : 3,146,965.20 = 1,821,151.20 : x - Step 2: Convert to fraction form
2,101,087.20/3,146,965.20 = 1,821,151.20/x - Step 3: Cross multiply
2,101,087.20x = 3,146,965.20 × 1,821,151.20 - Step 4: Simplify right side
2,101,087.20x = 5,731,099,450,338.24 - Step 5: Solve for x
x = 5,731,099,450,338.24/2,101,087.20 - Step 6: Final answer
x = 2,727,682.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.