Finding the Fourth Proportional to 5,254,758.02, 7,251,562.05 and 2,840,310.02
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Solution
The fourth proportional to 5,254,758.02, 7,251,562.05 and 2,840,310.02 is: 3,919,625.66
Step by Step Solution
- Step 1: Write the proportion equation
5,254,758.02 : 7,251,562.05 = 2,840,310.02 : x - Step 2: Convert to fraction form
5,254,758.02/7,251,562.05 = 2,840,310.02/x - Step 3: Cross multiply
5,254,758.02x = 7,251,562.05 × 2,840,310.02 - Step 4: Simplify right side
5,254,758.02x = 20,596,684,351,266.74 - Step 5: Solve for x
x = 20,596,684,351,266.74/5,254,758.02 - Step 6: Final answer
x = 3,919,625.66
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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.