Finding the Fourth Proportional to 5,081,596.10, 7,620,787.86 and 1,669,322.06
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Solution
The fourth proportional to 5,081,596.10, 7,620,787.86 and 1,669,322.06 is: 2,503,455.42
Step by Step Solution
- Step 1: Write the proportion equation
5,081,596.10 : 7,620,787.86 = 1,669,322.06 : x - Step 2: Convert to fraction form
5,081,596.10/7,620,787.86 = 1,669,322.06/x - Step 3: Cross multiply
5,081,596.10x = 7,620,787.86 × 1,669,322.06 - Step 4: Simplify right side
5,081,596.10x = 12,721,549,289,278.19 - Step 5: Solve for x
x = 12,721,549,289,278.19/5,081,596.10 - Step 6: Final answer
x = 2,503,455.42
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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.