Finding the Fourth Proportional to 3,621,761.13, 4,993,036.14 and 2,889,201.75
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Solution
The fourth proportional to 3,621,761.13, 4,993,036.14 and 2,889,201.75 is: 3,983,114.36
Step by Step Solution
- Step 1: Write the proportion equation
3,621,761.13 : 4,993,036.14 = 2,889,201.75 : x - Step 2: Convert to fraction form
3,621,761.13/4,993,036.14 = 2,889,201.75/x - Step 3: Cross multiply
3,621,761.13x = 4,993,036.14 × 2,889,201.75 - Step 4: Simplify right side
3,621,761.13x = 14,425,888,753,501.24 - Step 5: Solve for x
x = 14,425,888,753,501.24/3,621,761.13 - Step 6: Final answer
x = 3,983,114.36
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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.