Finding the Fourth Proportional to 4,911,354.14, 6,777,872.91 and 2,735,896.71
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Solution
The fourth proportional to 4,911,354.14, 6,777,872.91 and 2,735,896.71 is: 3,775,651.21
Step by Step Solution
- Step 1: Write the proportion equation
4,911,354.14 : 6,777,872.91 = 2,735,896.71 : x - Step 2: Convert to fraction form
4,911,354.14/6,777,872.91 = 2,735,896.71/x - Step 3: Cross multiply
4,911,354.14x = 6,777,872.91 × 2,735,896.71 - Step 4: Simplify right side
4,911,354.14x = 18,543,560,195,267.12 - Step 5: Solve for x
x = 18,543,560,195,267.12/4,911,354.14 - Step 6: Final answer
x = 3,775,651.21
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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.