Finding the Fourth Proportional to 2,383,728.41, 3,575,702.78 and 786,431.09
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Solution
The fourth proportional to 2,383,728.41, 3,575,702.78 and 786,431.09 is: 1,179,682.98
Step by Step Solution
- Step 1: Write the proportion equation
2,383,728.41 : 3,575,702.78 = 786,431.09 : x - Step 2: Convert to fraction form
2,383,728.41/3,575,702.78 = 786,431.09/x - Step 3: Cross multiply
2,383,728.41x = 3,575,702.78 × 786,431.09 - Step 4: Simplify right side
2,383,728.41x = 2,812,043,842,747.65 - Step 5: Solve for x
x = 2,812,043,842,747.65/2,383,728.41 - Step 6: Final answer
x = 1,179,682.98
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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.