Finding the Fourth Proportional to 2,319,201.99, 3,479,131.17 and 721,926.54
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Solution
The fourth proportional to 2,319,201.99, 3,479,131.17 and 721,926.54 is: 1,082,991.97
Step by Step Solution
- Step 1: Write the proportion equation
2,319,201.99 : 3,479,131.17 = 721,926.54 : x - Step 2: Convert to fraction form
2,319,201.99/3,479,131.17 = 721,926.54/x - Step 3: Cross multiply
2,319,201.99x = 3,479,131.17 × 721,926.54 - Step 4: Simplify right side
2,319,201.99x = 2,511,677,127,764.25 - Step 5: Solve for x
x = 2,511,677,127,764.25/2,319,201.99 - Step 6: Final answer
x = 1,082,991.97
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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.