Finding the Fourth Proportional to 2,305,260.87, 3,181,130.60 and 1,286,731.23
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Solution
The fourth proportional to 2,305,260.87, 3,181,130.60 and 1,286,731.23 is: 1,775,616.87
Step by Step Solution
- Step 1: Write the proportion equation
2,305,260.87 : 3,181,130.60 = 1,286,731.23 : x - Step 2: Convert to fraction form
2,305,260.87/3,181,130.60 = 1,286,731.23/x - Step 3: Cross multiply
2,305,260.87x = 3,181,130.60 × 1,286,731.23 - Step 4: Simplify right side
2,305,260.87x = 4,093,260,083,294.98 - Step 5: Solve for x
x = 4,093,260,083,294.98/2,305,260.87 - Step 6: Final answer
x = 1,775,616.87
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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.