Finding the Fourth Proportional to 3,387,128.58, 5,079,622.14 and 1,112,277.96
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Solution
The fourth proportional to 3,387,128.58, 5,079,622.14 and 1,112,277.96 is: 1,668,065.33
Step by Step Solution
- Step 1: Write the proportion equation
3,387,128.58 : 5,079,622.14 = 1,112,277.96 : x - Step 2: Convert to fraction form
3,387,128.58/5,079,622.14 = 1,112,277.96/x - Step 3: Cross multiply
3,387,128.58x = 5,079,622.14 × 1,112,277.96 - Step 4: Simplify right side
3,387,128.58x = 5,649,951,751,450.03 - Step 5: Solve for x
x = 5,649,951,751,450.03/3,387,128.58 - Step 6: Final answer
x = 1,668,065.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.