Finding the Fourth Proportional to 4,839,821.28, 7,264,218.00 and 2,445,348.79
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Solution
The fourth proportional to 4,839,821.28, 7,264,218.00 and 2,445,348.79 is: 3,670,289.81
Step by Step Solution
- Step 1: Write the proportion equation
4,839,821.28 : 7,264,218.00 = 2,445,348.79 : x - Step 2: Convert to fraction form
4,839,821.28/7,264,218.00 = 2,445,348.79/x - Step 3: Cross multiply
4,839,821.28x = 7,264,218.00 × 2,445,348.79 - Step 4: Simplify right side
4,839,821.28x = 17,763,546,714,846.55 - Step 5: Solve for x
x = 17,763,546,714,846.55/4,839,821.28 - Step 6: Final answer
x = 3,670,289.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.