Finding the Fourth Proportional to 7,283,722.20, 10,925,583.30 and 2,491,567.80
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Solution
The fourth proportional to 7,283,722.20, 10,925,583.30 and 2,491,567.80 is: 3,737,351.70
Step by Step Solution
- Step 1: Write the proportion equation
7,283,722.20 : 10,925,583.30 = 2,491,567.80 : x - Step 2: Convert to fraction form
7,283,722.20/10,925,583.30 = 2,491,567.80/x - Step 3: Cross multiply
7,283,722.20x = 10,925,583.30 × 2,491,567.80 - Step 4: Simplify right side
7,283,722.20x = 27,221,831,546,497.74 - Step 5: Solve for x
x = 27,221,831,546,497.74/7,283,722.20 - Step 6: Final answer
x = 3,737,351.70
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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.