Finding the Fourth Proportional to 5,583,763.80, 8,375,645.70 and 3,670,576.20
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Solution
The fourth proportional to 5,583,763.80, 8,375,645.70 and 3,670,576.20 is: 5,505,864.30
Step by Step Solution
- Step 1: Write the proportion equation
5,583,763.80 : 8,375,645.70 = 3,670,576.20 : x - Step 2: Convert to fraction form
5,583,763.80/8,375,645.70 = 3,670,576.20/x - Step 3: Cross multiply
5,583,763.80x = 8,375,645.70 × 3,670,576.20 - Step 4: Simplify right side
5,583,763.80x = 30,743,445,766,052.34 - Step 5: Solve for x
x = 30,743,445,766,052.34/5,583,763.80 - Step 6: Final answer
x = 5,505,864.30
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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.