Finding the Fourth Proportional to 7,086,848.28, 10,631,961.90 and 2,294,538.96
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Solution
The fourth proportional to 7,086,848.28, 10,631,961.90 and 2,294,538.96 is: 3,442,355.45
Step by Step Solution
- Step 1: Write the proportion equation
7,086,848.28 : 10,631,961.90 = 2,294,538.96 : x - Step 2: Convert to fraction form
7,086,848.28/10,631,961.90 = 2,294,538.96/x - Step 3: Cross multiply
7,086,848.28x = 10,631,961.90 × 2,294,538.96 - Step 4: Simplify right side
7,086,848.28x = 24,395,450,800,785.62 - Step 5: Solve for x
x = 24,395,450,800,785.62/7,086,848.28 - Step 6: Final answer
x = 3,442,355.45
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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.