Finding the Fourth Proportional to 4,972,682.67, 7,458,284.97 and 1,378,074.84
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Solution
The fourth proportional to 4,972,682.67, 7,458,284.97 and 1,378,074.84 is: 2,066,907.45
Step by Step Solution
- Step 1: Write the proportion equation
4,972,682.67 : 7,458,284.97 = 1,378,074.84 : x - Step 2: Convert to fraction form
4,972,682.67/7,458,284.97 = 1,378,074.84/x - Step 3: Cross multiply
4,972,682.67x = 7,458,284.97 × 1,378,074.84 - Step 4: Simplify right side
4,972,682.67x = 10,278,074,866,707.15 - Step 5: Solve for x
x = 10,278,074,866,707.15/4,972,682.67 - Step 6: Final answer
x = 2,066,907.45
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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.