Finding the Fourth Proportional to 3,173,092.47, 4,378,867.46 and 1,722,788.09
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Solution
The fourth proportional to 3,173,092.47, 4,378,867.46 and 1,722,788.09 is: 2,377,447.48
Step by Step Solution
- Step 1: Write the proportion equation
3,173,092.47 : 4,378,867.46 = 1,722,788.09 : x - Step 2: Convert to fraction form
3,173,092.47/4,378,867.46 = 1,722,788.09/x - Step 3: Cross multiply
3,173,092.47x = 4,378,867.46 × 1,722,788.09 - Step 4: Simplify right side
3,173,092.47x = 7,543,860,685,882.21 - Step 5: Solve for x
x = 7,543,860,685,882.21/3,173,092.47 - Step 6: Final answer
x = 2,377,447.48
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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.