Finding the Fourth Proportional to 5,333,637.20, 7,360,438.68 and 2,886,247.97
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Solution
The fourth proportional to 5,333,637.20, 7,360,438.68 and 2,886,247.97 is: 3,983,032.67
Step by Step Solution
- Step 1: Write the proportion equation
5,333,637.20 : 7,360,438.68 = 2,886,247.97 : x - Step 2: Convert to fraction form
5,333,637.20/7,360,438.68 = 2,886,247.97/x - Step 3: Cross multiply
5,333,637.20x = 7,360,438.68 × 2,886,247.97 - Step 4: Simplify right side
5,333,637.20x = 21,244,051,198,459.48 - Step 5: Solve for x
x = 21,244,051,198,459.48/5,333,637.20 - Step 6: Final answer
x = 3,983,032.67
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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.