Finding the Fourth Proportional to 5,136,652.18, 7,088,704.50 and 2,844,982.36
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Solution
The fourth proportional to 5,136,652.18, 7,088,704.50 and 2,844,982.36 is: 3,926,144.61
Step by Step Solution
- Step 1: Write the proportion equation
5,136,652.18 : 7,088,704.50 = 2,844,982.36 : x - Step 2: Convert to fraction form
5,136,652.18/7,088,704.50 = 2,844,982.36/x - Step 3: Cross multiply
5,136,652.18x = 7,088,704.50 × 2,844,982.36 - Step 4: Simplify right side
5,136,652.18x = 20,167,239,257,752.62 - Step 5: Solve for x
x = 20,167,239,257,752.62/5,136,652.18 - Step 6: Final answer
x = 3,926,144.61
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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.