Finding the Fourth Proportional to 4,972,709.19, 7,458,324.76 and 1,378,101.32
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Solution
The fourth proportional to 4,972,709.19, 7,458,324.76 and 1,378,101.32 is: 2,066,947.17
Step by Step Solution
- Step 1: Write the proportion equation
4,972,709.19 : 7,458,324.76 = 1,378,101.32 : x - Step 2: Convert to fraction form
4,972,709.19/7,458,324.76 = 1,378,101.32/x - Step 3: Cross multiply
4,972,709.19x = 7,458,324.76 × 1,378,101.32 - Step 4: Simplify right side
4,972,709.19x = 10,278,327,196,744.68 - Step 5: Solve for x
x = 10,278,327,196,744.68/4,972,709.19 - Step 6: Final answer
x = 2,066,947.17
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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.