Finding the Fourth Proportional to 5,476,378.46, 8,212,820.76 and 1,881,278.54
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Solution
The fourth proportional to 5,476,378.46, 8,212,820.76 and 1,881,278.54 is: 2,821,317.69
Step by Step Solution
- Step 1: Write the proportion equation
5,476,378.46 : 8,212,820.76 = 1,881,278.54 : x - Step 2: Convert to fraction form
5,476,378.46/8,212,820.76 = 1,881,278.54/x - Step 3: Cross multiply
5,476,378.46x = 8,212,820.76 × 1,881,278.54 - Step 4: Simplify right side
5,476,378.46x = 15,450,603,448,654.49 - Step 5: Solve for x
x = 15,450,603,448,654.49/5,476,378.46 - Step 6: Final answer
x = 2,821,317.69
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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.