Finding the Fourth Proportional to 3,672,961.53, 5,506,286.85 and 1,276,494.75
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Solution
The fourth proportional to 3,672,961.53, 5,506,286.85 and 1,276,494.75 is: 1,913,645.49
Step by Step Solution
- Step 1: Write the proportion equation
3,672,961.53 : 5,506,286.85 = 1,276,494.75 : x - Step 2: Convert to fraction form
3,672,961.53/5,506,286.85 = 1,276,494.75/x - Step 3: Cross multiply
3,672,961.53x = 5,506,286.85 × 1,276,494.75 - Step 4: Simplify right side
3,672,961.53x = 7,028,746,256,019.04 - Step 5: Solve for x
x = 7,028,746,256,019.04/3,672,961.53 - Step 6: Final answer
x = 1,913,645.49
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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.