Finding the Fourth Proportional to 2,729,833.44, 3,767,183.20 and 1,506,138.88
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Solution
The fourth proportional to 2,729,833.44, 3,767,183.20 and 1,506,138.88 is: 2,078,478.86
Step by Step Solution
- Step 1: Write the proportion equation
2,729,833.44 : 3,767,183.20 = 1,506,138.88 : x - Step 2: Convert to fraction form
2,729,833.44/3,767,183.20 = 1,506,138.88/x - Step 3: Cross multiply
2,729,833.44x = 3,767,183.20 × 1,506,138.88 - Step 4: Simplify right side
2,729,833.44x = 5,673,901,085,602.82 - Step 5: Solve for x
x = 5,673,901,085,602.82/2,729,833.44 - Step 6: Final answer
x = 2,078,478.86
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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.