Finding the Fourth Proportional to 3,541,652.10, 5,315,102.55 and 1,413,263.70
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Solution
The fourth proportional to 3,541,652.10, 5,315,102.55 and 1,413,263.70 is: 2,120,942.79
Step by Step Solution
- Step 1: Write the proportion equation
3,541,652.10 : 5,315,102.55 = 1,413,263.70 : x - Step 2: Convert to fraction form
3,541,652.10/5,315,102.55 = 1,413,263.70/x - Step 3: Cross multiply
3,541,652.10x = 5,315,102.55 × 1,413,263.70 - Step 4: Simplify right side
3,541,652.10x = 7,511,641,495,692.44 - Step 5: Solve for x
x = 7,511,641,495,692.44/3,541,652.10 - Step 6: Final answer
x = 2,120,942.79
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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.