Finding the Fourth Proportional to 4,846,278.87, 6,686,690.28 and 2,752,655.58
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Solution
The fourth proportional to 4,846,278.87, 6,686,690.28 and 2,752,655.58 is: 3,797,997.56
Step by Step Solution
- Step 1: Write the proportion equation
4,846,278.87 : 6,686,690.28 = 2,752,655.58 : x - Step 2: Convert to fraction form
4,846,278.87/6,686,690.28 = 2,752,655.58/x - Step 3: Cross multiply
4,846,278.87x = 6,686,690.28 × 2,752,655.58 - Step 4: Simplify right side
4,846,278.87x = 18,406,155,310,973.76 - Step 5: Solve for x
x = 18,406,155,310,973.76/4,846,278.87 - Step 6: Final answer
x = 3,797,997.56
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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.