Finding the Fourth Proportional to 5,254,996.02, 7,251,891.30 and 2,840,548.02
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Solution
The fourth proportional to 5,254,996.02, 7,251,891.30 and 2,840,548.02 is: 3,919,954.53
Step by Step Solution
- Step 1: Write the proportion equation
5,254,996.02 : 7,251,891.30 = 2,840,548.02 : x - Step 2: Convert to fraction form
5,254,996.02/7,251,891.30 = 2,840,548.02/x - Step 3: Cross multiply
5,254,996.02x = 7,251,891.30 × 2,840,548.02 - Step 4: Simplify right side
5,254,996.02x = 20,599,345,473,470.23 - Step 5: Solve for x
x = 20,599,345,473,470.23/5,254,996.02 - Step 6: Final answer
x = 3,919,954.53
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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.