Finding the Fourth Proportional to 5,274,811.84, 7,278,850.74 and 2,951,395.96
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Solution
The fourth proportional to 5,274,811.84, 7,278,850.74 and 2,951,395.96 is: 4,072,708.43
Step by Step Solution
- Step 1: Write the proportion equation
5,274,811.84 : 7,278,850.74 = 2,951,395.96 : x - Step 2: Convert to fraction form
5,274,811.84/7,278,850.74 = 2,951,395.96/x - Step 3: Cross multiply
5,274,811.84x = 7,278,850.74 × 2,951,395.96 - Step 4: Simplify right side
5,274,811.84x = 21,482,770,667,479.01 - Step 5: Solve for x
x = 21,482,770,667,479.01/5,274,811.84 - Step 6: Final answer
x = 4,072,708.43
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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.