Finding the Fourth Proportional to 5,275,622.31, 7,909,299.28 and 2,083,138.12
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Solution
The fourth proportional to 5,275,622.31, 7,909,299.28 and 2,083,138.12 is: 3,123,074.75
Step by Step Solution
- Step 1: Write the proportion equation
5,275,622.31 : 7,909,299.28 = 2,083,138.12 : x - Step 2: Convert to fraction form
5,275,622.31/7,909,299.28 = 2,083,138.12/x - Step 3: Cross multiply
5,275,622.31x = 7,909,299.28 × 2,083,138.12 - Step 4: Simplify right side
5,275,622.31x = 16,476,162,832,656.55 - Step 5: Solve for x
x = 16,476,162,832,656.55/5,275,622.31 - Step 6: Final answer
x = 3,123,074.75
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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.