Finding the Fourth Proportional to 5,378,636.80, 8,058,769.80 and 2,532,912.40
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Solution
The fourth proportional to 5,378,636.80, 8,058,769.80 and 2,532,912.40 is: 3,795,043.00
Step by Step Solution
- Step 1: Write the proportion equation
5,378,636.80 : 8,058,769.80 = 2,532,912.40 : x - Step 2: Convert to fraction form
5,378,636.80/8,058,769.80 = 2,532,912.40/x - Step 3: Cross multiply
5,378,636.80x = 8,058,769.80 × 2,532,912.40 - Step 4: Simplify right side
5,378,636.80x = 20,412,157,955,165.52 - Step 5: Solve for x
x = 20,412,157,955,165.52/5,378,636.80 - Step 6: Final answer
x = 3,795,043.00
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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.