Finding the Fourth Proportional to 4,987,430.37, 7,481,460.49 and 2,108,260.29
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Solution
The fourth proportional to 4,987,430.37, 7,481,460.49 and 2,108,260.29 is: 3,162,523.56
Step by Step Solution
- Step 1: Write the proportion equation
4,987,430.37 : 7,481,460.49 = 2,108,260.29 : x - Step 2: Convert to fraction form
4,987,430.37/7,481,460.49 = 2,108,260.29/x - Step 3: Cross multiply
4,987,430.37x = 7,481,460.49 × 2,108,260.29 - Step 4: Simplify right side
4,987,430.37x = 15,772,866,057,000.29 - Step 5: Solve for x
x = 15,772,866,057,000.29/4,987,430.37 - Step 6: Final answer
x = 3,162,523.56
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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.