Finding the Fourth Proportional to 2,156,709.74, 3,234,947.97 and 660,806.06
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Solution
The fourth proportional to 2,156,709.74, 3,234,947.97 and 660,806.06 is: 991,173.35
Step by Step Solution
- Step 1: Write the proportion equation
2,156,709.74 : 3,234,947.97 = 660,806.06 : x - Step 2: Convert to fraction form
2,156,709.74/3,234,947.97 = 660,806.06/x - Step 3: Cross multiply
2,156,709.74x = 3,234,947.97 × 660,806.06 - Step 4: Simplify right side
2,156,709.74x = 2,137,673,222,360.70 - Step 5: Solve for x
x = 2,137,673,222,360.70/2,156,709.74 - Step 6: Final answer
x = 991,173.35
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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.