Finding the Fourth Proportional to 5,243,057.92, 7,235,644.41 and 2,919,950.42
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Solution
The fourth proportional to 5,243,057.92, 7,235,644.41 and 2,919,950.42 is: 4,029,656.60
Step by Step Solution
- Step 1: Write the proportion equation
5,243,057.92 : 7,235,644.41 = 2,919,950.42 : x - Step 2: Convert to fraction form
5,243,057.92/7,235,644.41 = 2,919,950.42/x - Step 3: Cross multiply
5,243,057.92x = 7,235,644.41 × 2,919,950.42 - Step 4: Simplify right side
5,243,057.92x = 21,127,722,933,950.15 - Step 5: Solve for x
x = 21,127,722,933,950.15/5,243,057.92 - Step 6: Final answer
x = 4,029,656.60
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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.