Finding the Fourth Proportional to 1,621,704.88, 2,237,756.12 and 896,451.94
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Solution
The fourth proportional to 1,621,704.88, 2,237,756.12 and 896,451.94 is: 1,236,994.99
Step by Step Solution
- Step 1: Write the proportion equation
1,621,704.88 : 2,237,756.12 = 896,451.94 : x - Step 2: Convert to fraction form
1,621,704.88/2,237,756.12 = 896,451.94/x - Step 3: Cross multiply
1,621,704.88x = 2,237,756.12 × 896,451.94 - Step 4: Simplify right side
1,621,704.88x = 2,006,040,816,697.50 - Step 5: Solve for x
x = 2,006,040,816,697.50/1,621,704.88 - Step 6: Final answer
x = 1,236,994.99
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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.