Finding the Fourth Proportional to 3,609,273.99, 4,980,799.31 and 1,977,668.11
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Solution
The fourth proportional to 3,609,273.99, 4,980,799.31 and 1,977,668.11 is: 2,729,182.65
Step by Step Solution
- Step 1: Write the proportion equation
3,609,273.99 : 4,980,799.31 = 1,977,668.11 : x - Step 2: Convert to fraction form
3,609,273.99/4,980,799.31 = 1,977,668.11/x - Step 3: Cross multiply
3,609,273.99x = 4,980,799.31 × 1,977,668.11 - Step 4: Simplify right side
3,609,273.99x = 9,850,367,957,697.00 - Step 5: Solve for x
x = 9,850,367,957,697.00/3,609,273.99 - Step 6: Final answer
x = 2,729,182.65
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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.