Finding the Fourth Proportional to 2,284,974.20, 3,153,257.84 and 1,266,378.95
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Solution
The fourth proportional to 2,284,974.20, 3,153,257.84 and 1,266,378.95 is: 1,747,599.31
Step by Step Solution
- Step 1: Write the proportion equation
2,284,974.20 : 3,153,257.84 = 1,266,378.95 : x - Step 2: Convert to fraction form
2,284,974.20/3,153,257.84 = 1,266,378.95/x - Step 3: Cross multiply
2,284,974.20x = 3,153,257.84 × 1,266,378.95 - Step 4: Simplify right side
2,284,974.20x = 3,993,219,346,166.57 - Step 5: Solve for x
x = 3,993,219,346,166.57/2,284,974.20 - Step 6: Final answer
x = 1,747,599.31
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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.