Finding the Fourth Proportional to 4,905,815.96, 7,358,163.35 and 1,311,863.27
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Solution
The fourth proportional to 4,905,815.96, 7,358,163.35 and 1,311,863.27 is: 1,967,644.99
Step by Step Solution
- Step 1: Write the proportion equation
4,905,815.96 : 7,358,163.35 = 1,311,863.27 : x - Step 2: Convert to fraction form
4,905,815.96/7,358,163.35 = 1,311,863.27/x - Step 3: Cross multiply
4,905,815.96x = 7,358,163.35 × 1,311,863.27 - Step 4: Simplify right side
4,905,815.96x = 9,652,904,200,014.00 - Step 5: Solve for x
x = 9,652,904,200,014.00/4,905,815.96 - Step 6: Final answer
x = 1,967,644.99
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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.