Finding the Fourth Proportional to 5,098,508.99, 7,647,729.46 and 2,065,830.11
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Solution
The fourth proportional to 5,098,508.99, 7,647,729.46 and 2,065,830.11 is: 3,098,731.37
Step by Step Solution
- Step 1: Write the proportion equation
5,098,508.99 : 7,647,729.46 = 2,065,830.11 : x - Step 2: Convert to fraction form
5,098,508.99/7,647,729.46 = 2,065,830.11/x - Step 3: Cross multiply
5,098,508.99x = 7,647,729.46 × 2,065,830.11 - Step 4: Simplify right side
5,098,508.99x = 15,798,909,748,198.82 - Step 5: Solve for x
x = 15,798,909,748,198.82/5,098,508.99 - Step 6: Final answer
x = 3,098,731.37
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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.