Finding the Fourth Proportional to 5,372,958.47, 7,414,618.05 and 2,925,568.76
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Solution
The fourth proportional to 5,372,958.47, 7,414,618.05 and 2,925,568.76 is: 4,037,249.69
Step by Step Solution
- Step 1: Write the proportion equation
5,372,958.47 : 7,414,618.05 = 2,925,568.76 : x - Step 2: Convert to fraction form
5,372,958.47/7,414,618.05 = 2,925,568.76/x - Step 3: Cross multiply
5,372,958.47x = 7,414,618.05 × 2,925,568.76 - Step 4: Simplify right side
5,372,958.47x = 21,691,974,897,339.03 - Step 5: Solve for x
x = 21,691,974,897,339.03/5,372,958.47 - Step 6: Final answer
x = 4,037,249.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.