Finding the Fourth Proportional to 4,424,805.36, 6,106,213.76 and 2,491,069.68
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Solution
The fourth proportional to 4,424,805.36, 6,106,213.76 and 2,491,069.68 is: 3,437,666.23
Step by Step Solution
- Step 1: Write the proportion equation
4,424,805.36 : 6,106,213.76 = 2,491,069.68 : x - Step 2: Convert to fraction form
4,424,805.36/6,106,213.76 = 2,491,069.68/x - Step 3: Cross multiply
4,424,805.36x = 6,106,213.76 × 2,491,069.68 - Step 4: Simplify right side
4,424,805.36x = 15,211,003,944,679.45 - Step 5: Solve for x
x = 15,211,003,944,679.45/4,424,805.36 - Step 6: Final answer
x = 3,437,666.23
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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.