Finding the Fourth Proportional to 2,529,828.80, 3,788,661.68 and 1,447,059.68
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Solution
The fourth proportional to 2,529,828.80, 3,788,661.68 and 1,447,059.68 is: 2,167,110.90
Step by Step Solution
- Step 1: Write the proportion equation
2,529,828.80 : 3,788,661.68 = 1,447,059.68 : x - Step 2: Convert to fraction form
2,529,828.80/3,788,661.68 = 1,447,059.68/x - Step 3: Cross multiply
2,529,828.80x = 3,788,661.68 × 1,447,059.68 - Step 4: Simplify right side
2,529,828.80x = 5,482,419,558,289.06 - Step 5: Solve for x
x = 5,482,419,558,289.06/2,529,828.80 - Step 6: Final answer
x = 2,167,110.90
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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.