Finding the Fourth Proportional to 4,775,221.26, 7,163,112.42 and 1,363,245.66
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Solution
The fourth proportional to 4,775,221.26, 7,163,112.42 and 1,363,245.66 is: 2,044,948.58
Step by Step Solution
- Step 1: Write the proportion equation
4,775,221.26 : 7,163,112.42 = 1,363,245.66 : x - Step 2: Convert to fraction form
4,775,221.26/7,163,112.42 = 1,363,245.66/x - Step 3: Cross multiply
4,775,221.26x = 7,163,112.42 × 1,363,245.66 - Step 4: Simplify right side
4,775,221.26x = 9,765,081,918,657.10 - Step 5: Solve for x
x = 9,765,081,918,657.10/4,775,221.26 - Step 6: Final answer
x = 2,044,948.58
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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.