Finding the Fourth Proportional to 3,376,236.90, 4,658,462.10 and 1,998,896.70
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Solution
The fourth proportional to 3,376,236.90, 4,658,462.10 and 1,998,896.70 is: 2,758,036.48
Step by Step Solution
- Step 1: Write the proportion equation
3,376,236.90 : 4,658,462.10 = 1,998,896.70 : x - Step 2: Convert to fraction form
3,376,236.90/4,658,462.10 = 1,998,896.70/x - Step 3: Cross multiply
3,376,236.90x = 4,658,462.10 × 1,998,896.70 - Step 4: Simplify right side
3,376,236.90x = 9,311,784,518,765.07 - Step 5: Solve for x
x = 9,311,784,518,765.07/3,376,236.90 - Step 6: Final answer
x = 2,758,036.48
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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.