Finding the Fourth Proportional to 3,634,389.40, 5,015,464.52 and 2,184,107.08
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Solution
The fourth proportional to 3,634,389.40, 5,015,464.52 and 2,184,107.08 is: 3,014,072.07
Step by Step Solution
- Step 1: Write the proportion equation
3,634,389.40 : 5,015,464.52 = 2,184,107.08 : x - Step 2: Convert to fraction form
3,634,389.40/5,015,464.52 = 2,184,107.08/x - Step 3: Cross multiply
3,634,389.40x = 5,015,464.52 × 2,184,107.08 - Step 4: Simplify right side
3,634,389.40x = 10,954,311,567,620.80 - Step 5: Solve for x
x = 10,954,311,567,620.80/3,634,389.40 - Step 6: Final answer
x = 3,014,072.07
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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.