Finding the Fourth Proportional to 5,204,359.84, 7,180,651.20 and 2,998,682.32
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Solution
The fourth proportional to 5,204,359.84, 7,180,651.20 and 2,998,682.32 is: 4,137,394.89
Step by Step Solution
- Step 1: Write the proportion equation
5,204,359.84 : 7,180,651.20 = 2,998,682.32 : x - Step 2: Convert to fraction form
5,204,359.84/7,180,651.20 = 2,998,682.32/x - Step 3: Cross multiply
5,204,359.84x = 7,180,651.20 × 2,998,682.32 - Step 4: Simplify right side
5,204,359.84x = 21,532,491,799,526.79 - Step 5: Solve for x
x = 21,532,491,799,526.79/5,204,359.84 - Step 6: Final answer
x = 4,137,394.89
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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.