Finding the Fourth Proportional to 4,846,214.40, 6,687,821.51 and 2,670,835.87
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Solution
The fourth proportional to 4,846,214.40, 6,687,821.51 and 2,670,835.87 is: 3,685,778.65
Step by Step Solution
- Step 1: Write the proportion equation
4,846,214.40 : 6,687,821.51 = 2,670,835.87 : x - Step 2: Convert to fraction form
4,846,214.40/6,687,821.51 = 2,670,835.87/x - Step 3: Cross multiply
4,846,214.40x = 6,687,821.51 × 2,670,835.87 - Step 4: Simplify right side
4,846,214.40x = 17,862,073,581,065.56 - Step 5: Solve for x
x = 17,862,073,581,065.56/4,846,214.40 - Step 6: Final answer
x = 3,685,778.65
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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.