Finding the Fourth Proportional to 2,275,544.34, 3,140,241.62 and 1,256,949.09
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Solution
The fourth proportional to 2,275,544.34, 3,140,241.62 and 1,256,949.09 is: 1,734,584.46
Step by Step Solution
- Step 1: Write the proportion equation
2,275,544.34 : 3,140,241.62 = 1,256,949.09 : x - Step 2: Convert to fraction form
2,275,544.34/3,140,241.62 = 1,256,949.09/x - Step 3: Cross multiply
2,275,544.34x = 3,140,241.62 × 1,256,949.09 - Step 4: Simplify right side
2,275,544.34x = 3,947,123,840,354.38 - Step 5: Solve for x
x = 3,947,123,840,354.38/2,275,544.34 - Step 6: Final answer
x = 1,734,584.46
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1.5x scale
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.