Finding the Fourth Proportional to 5,511,320.80, 8,267,211.60 and 2,951,461.60
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Solution
The fourth proportional to 5,511,320.80, 8,267,211.60 and 2,951,461.60 is: 4,427,315.79
Step by Step Solution
- Step 1: Write the proportion equation
5,511,320.80 : 8,267,211.60 = 2,951,461.60 : x - Step 2: Convert to fraction form
5,511,320.80/8,267,211.60 = 2,951,461.60/x - Step 3: Cross multiply
5,511,320.80x = 8,267,211.60 × 2,951,461.60 - Step 4: Simplify right side
5,511,320.80x = 24,400,357,576,474.56 - Step 5: Solve for x
x = 24,400,357,576,474.56/5,511,320.80 - Step 6: Final answer
x = 4,427,315.79
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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.