Finding the Fourth Proportional to 5,134,854.44, 7,086,320.56 and 2,843,015.12
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Solution
The fourth proportional to 5,134,854.44, 7,086,320.56 and 2,843,015.12 is: 3,923,483.47
Step by Step Solution
- Step 1: Write the proportion equation
5,134,854.44 : 7,086,320.56 = 2,843,015.12 : x - Step 2: Convert to fraction form
5,134,854.44/7,086,320.56 = 2,843,015.12/x - Step 3: Cross multiply
5,134,854.44x = 7,086,320.56 × 2,843,015.12 - Step 4: Simplify right side
5,134,854.44x = 20,146,516,497,246.87 - Step 5: Solve for x
x = 20,146,516,497,246.87/5,134,854.44 - Step 6: Final answer
x = 3,923,483.47
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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.