Finding the Fourth Proportional to 5,329,837.75, 7,994,757.99 and 1,492,225.54
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Solution
The fourth proportional to 5,329,837.75, 7,994,757.99 and 1,492,225.54 is: 2,238,338.69
Step by Step Solution
- Step 1: Write the proportion equation
5,329,837.75 : 7,994,757.99 = 1,492,225.54 : x - Step 2: Convert to fraction form
5,329,837.75/7,994,757.99 = 1,492,225.54/x - Step 3: Cross multiply
5,329,837.75x = 7,994,757.99 × 1,492,225.54 - Step 4: Simplify right side
5,329,837.75x = 11,929,982,058,797.06 - Step 5: Solve for x
x = 11,929,982,058,797.06/5,329,837.75 - Step 6: Final answer
x = 2,238,338.69
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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.