Finding the Fourth Proportional to 1,980,774.24, 2,747,453.04 and 1,928,273.68
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Solution
The fourth proportional to 1,980,774.24, 2,747,453.04 and 1,928,273.68 is: 2,674,631.60
Step by Step Solution
- Step 1: Write the proportion equation
1,980,774.24 : 2,747,453.04 = 1,928,273.68 : x - Step 2: Convert to fraction form
1,980,774.24/2,747,453.04 = 1,928,273.68/x - Step 3: Cross multiply
1,980,774.24x = 2,747,453.04 × 1,928,273.68 - Step 4: Simplify right side
1,980,774.24x = 5,297,841,384,067.99 - Step 5: Solve for x
x = 5,297,841,384,067.99/1,980,774.24 - Step 6: Final answer
x = 2,674,631.60
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.