Finding the Fourth Proportional to 2,709,694.68, 3,739,034.97 and 1,485,678.11
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Solution
The fourth proportional to 2,709,694.68, 3,739,034.97 and 1,485,678.11 is: 2,050,047.35
Step by Step Solution
- Step 1: Write the proportion equation
2,709,694.68 : 3,739,034.97 = 1,485,678.11 : x - Step 2: Convert to fraction form
2,709,694.68/3,739,034.97 = 1,485,678.11/x - Step 3: Cross multiply
2,709,694.68x = 3,739,034.97 × 1,485,678.11 - Step 4: Simplify right side
2,709,694.68x = 5,555,002,388,758.33 - Step 5: Solve for x
x = 5,555,002,388,758.33/2,709,694.68 - Step 6: Final answer
x = 2,050,047.35
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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.