Finding the Fourth Proportional to 5,732,900.47, 7,911,729.99 and 3,285,919.12
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Solution
The fourth proportional to 5,732,900.47, 7,911,729.99 and 3,285,919.12 is: 4,534,756.01
Step by Step Solution
- Step 1: Write the proportion equation
5,732,900.47 : 7,911,729.99 = 3,285,919.12 : x - Step 2: Convert to fraction form
5,732,900.47/7,911,729.99 = 3,285,919.12/x - Step 3: Cross multiply
5,732,900.47x = 7,911,729.99 × 3,285,919.12 - Step 4: Simplify right side
5,732,900.47x = 25,997,304,846,418.41 - Step 5: Solve for x
x = 25,997,304,846,418.41/5,732,900.47 - Step 6: Final answer
x = 4,534,756.01
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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.