Finding the Fourth Proportional to 3,543,113.44, 4,889,651.40 and 1,994,475.08
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Solution
The fourth proportional to 3,543,113.44, 4,889,651.40 and 1,994,475.08 is: 2,752,462.78
Step by Step Solution
- Step 1: Write the proportion equation
3,543,113.44 : 4,889,651.40 = 1,994,475.08 : x - Step 2: Convert to fraction form
3,543,113.44/4,889,651.40 = 1,994,475.08/x - Step 3: Cross multiply
3,543,113.44x = 4,889,651.40 × 1,994,475.08 - Step 4: Simplify right side
3,543,113.44x = 9,752,287,867,187.11 - Step 5: Solve for x
x = 9,752,287,867,187.11/3,543,113.44 - Step 6: Final answer
x = 2,752,462.78
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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.