Finding the Fourth Proportional to 4,391,690.78, 6,060,722.69 and 2,431,568.84
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Solution
The fourth proportional to 4,391,690.78, 6,060,722.69 and 2,431,568.84 is: 3,355,669.87
Step by Step Solution
- Step 1: Write the proportion equation
4,391,690.78 : 6,060,722.69 = 2,431,568.84 : x - Step 2: Convert to fraction form
4,391,690.78/6,060,722.69 = 2,431,568.84/x - Step 3: Cross multiply
4,391,690.78x = 6,060,722.69 × 2,431,568.84 - Step 4: Simplify right side
4,391,690.78x = 14,737,064,416,660.29 - Step 5: Solve for x
x = 14,737,064,416,660.29/4,391,690.78 - Step 6: Final answer
x = 3,355,669.87
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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.