Finding the Fourth Proportional to 3,868,226.10, 5,337,934.68 and 2,318,712.42
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Solution
The fourth proportional to 3,868,226.10, 5,337,934.68 and 2,318,712.42 is: 3,199,692.86
Step by Step Solution
- Step 1: Write the proportion equation
3,868,226.10 : 5,337,934.68 = 2,318,712.42 : x - Step 2: Convert to fraction form
3,868,226.10/5,337,934.68 = 2,318,712.42/x - Step 3: Cross multiply
3,868,226.10x = 5,337,934.68 × 2,318,712.42 - Step 4: Simplify right side
3,868,226.10x = 12,377,135,439,664.72 - Step 5: Solve for x
x = 12,377,135,439,664.72/3,868,226.10 - Step 6: Final answer
x = 3,199,692.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.