Finding the Fourth Proportional to 5,518,908.81, 8,278,365.51 and 2,482,728.30
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Solution
The fourth proportional to 5,518,908.81, 8,278,365.51 and 2,482,728.30 is: 3,724,093.48
Step by Step Solution
- Step 1: Write the proportion equation
5,518,908.81 : 8,278,365.51 = 2,482,728.30 : x - Step 2: Convert to fraction form
5,518,908.81/8,278,365.51 = 2,482,728.30/x - Step 3: Cross multiply
5,518,908.81x = 8,278,365.51 × 2,482,728.30 - Step 4: Simplify right side
5,518,908.81x = 20,552,932,329,420.93 - Step 5: Solve for x
x = 20,552,932,329,420.93/5,518,908.81 - Step 6: Final answer
x = 3,724,093.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.