Finding the Fourth Proportional to 3,146,520.09, 4,717,881.80 and 1,201,375.68
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Solution
The fourth proportional to 3,146,520.09, 4,717,881.80 and 1,201,375.68 is: 1,801,338.71
Step by Step Solution
- Step 1: Write the proportion equation
3,146,520.09 : 4,717,881.80 = 1,201,375.68 : x - Step 2: Convert to fraction form
3,146,520.09/4,717,881.80 = 1,201,375.68/x - Step 3: Cross multiply
3,146,520.09x = 4,717,881.80 × 1,201,375.68 - Step 4: Simplify right side
3,146,520.09x = 5,667,948,449,627.75 - Step 5: Solve for x
x = 5,667,948,449,627.75/3,146,520.09 - Step 6: Final answer
x = 1,801,338.71
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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.