Finding the Fourth Proportional to 3,559,706.65, 5,337,963.43 and 2,121,067.97
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Solution
The fourth proportional to 3,559,706.65, 5,337,963.43 and 2,121,067.97 is: 3,180,650.66
Step by Step Solution
- Step 1: Write the proportion equation
3,559,706.65 : 5,337,963.43 = 2,121,067.97 : x - Step 2: Convert to fraction form
3,559,706.65/5,337,963.43 = 2,121,067.97/x - Step 3: Cross multiply
3,559,706.65x = 5,337,963.43 × 2,121,067.97 - Step 4: Simplify right side
3,559,706.65x = 11,322,183,286,386.27 - Step 5: Solve for x
x = 11,322,183,286,386.27/3,559,706.65 - Step 6: Final answer
x = 3,180,650.66
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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.