Finding the Fourth Proportional to 5,545,863.54, 7,651,979.55 and 3,221,375.09
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Solution
The fourth proportional to 5,545,863.54, 7,651,979.55 and 3,221,375.09 is: 4,444,735.45
Step by Step Solution
- Step 1: Write the proportion equation
5,545,863.54 : 7,651,979.55 = 3,221,375.09 : x - Step 2: Convert to fraction form
5,545,863.54/7,651,979.55 = 3,221,375.09/x - Step 3: Cross multiply
5,545,863.54x = 7,651,979.55 × 3,221,375.09 - Step 4: Simplify right side
5,545,863.54x = 24,649,896,273,299.51 - Step 5: Solve for x
x = 24,649,896,273,299.51/5,545,863.54 - Step 6: Final answer
x = 4,444,735.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.