Finding the Fourth Proportional to 5,290,982.07, 7,935,623.60 and 1,451,907.92
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Solution
The fourth proportional to 5,290,982.07, 7,935,623.60 and 1,451,907.92 is: 2,177,628.77
Step by Step Solution
- Step 1: Write the proportion equation
5,290,982.07 : 7,935,623.60 = 1,451,907.92 : x - Step 2: Convert to fraction form
5,290,982.07/7,935,623.60 = 1,451,907.92/x - Step 3: Cross multiply
5,290,982.07x = 7,935,623.60 × 1,451,907.92 - Step 4: Simplify right side
5,290,982.07x = 11,521,794,767,558.43 - Step 5: Solve for x
x = 11,521,794,767,558.43/5,290,982.07 - Step 6: Final answer
x = 2,177,628.77
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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.