Finding the Fourth Proportional to 7,174,556.56, 10,761,873.76 and 2,125,910.80
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Solution
The fourth proportional to 7,174,556.56, 10,761,873.76 and 2,125,910.80 is: 3,188,877.73
Step by Step Solution
- Step 1: Write the proportion equation
7,174,556.56 : 10,761,873.76 = 2,125,910.80 : x - Step 2: Convert to fraction form
7,174,556.56/10,761,873.76 = 2,125,910.80/x - Step 3: Cross multiply
7,174,556.56x = 10,761,873.76 × 2,125,910.80 - Step 4: Simplify right side
7,174,556.56x = 22,878,783,654,620.61 - Step 5: Solve for x
x = 22,878,783,654,620.61/7,174,556.56 - Step 6: Final answer
x = 3,188,877.73
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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.