Finding the Fourth Proportional to 5,385,744.24, 7,432,290.81 and 3,062,637.68
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Solution
The fourth proportional to 5,385,744.24, 7,432,290.81 and 3,062,637.68 is: 4,226,419.39
Step by Step Solution
- Step 1: Write the proportion equation
5,385,744.24 : 7,432,290.81 = 3,062,637.68 : x - Step 2: Convert to fraction form
5,385,744.24/7,432,290.81 = 3,062,637.68/x - Step 3: Cross multiply
5,385,744.24x = 7,432,290.81 × 3,062,637.68 - Step 4: Simplify right side
5,385,744.24x = 22,762,413,846,262.27 - Step 5: Solve for x
x = 22,762,413,846,262.27/5,385,744.24 - Step 6: Final answer
x = 4,226,419.39
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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.