Finding the Fourth Proportional to 4,645,181.88, 6,968,768.40 and 1,612,644.12
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Solution
The fourth proportional to 4,645,181.88, 6,968,768.40 and 1,612,644.12 is: 2,419,311.81
Step by Step Solution
- Step 1: Write the proportion equation
4,645,181.88 : 6,968,768.40 = 1,612,644.12 : x - Step 2: Convert to fraction form
4,645,181.88/6,968,768.40 = 1,612,644.12/x - Step 3: Cross multiply
4,645,181.88x = 6,968,768.40 × 1,612,644.12 - Step 4: Simplify right side
4,645,181.88x = 11,238,143,383,901.81 - Step 5: Solve for x
x = 11,238,143,383,901.81/4,645,181.88 - Step 6: Final answer
x = 2,419,311.81
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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.