Finding the Fourth Proportional to 4,252,878.28, 6,380,553.07 and 1,374,184.85
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Solution
The fourth proportional to 4,252,878.28, 6,380,553.07 and 1,374,184.85 is: 2,061,676.54
Step by Step Solution
- Step 1: Write the proportion equation
4,252,878.28 : 6,380,553.07 = 1,374,184.85 : x - Step 2: Convert to fraction form
4,252,878.28/6,380,553.07 = 1,374,184.85/x - Step 3: Cross multiply
4,252,878.28x = 6,380,553.07 × 1,374,184.85 - Step 4: Simplify right side
4,252,878.28x = 8,768,059,363,414.99 - Step 5: Solve for x
x = 8,768,059,363,414.99/4,252,878.28 - Step 6: Final answer
x = 2,061,676.54
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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.