Finding the Fourth Proportional to 1,418,481.70, 2,127,722.55 and 1,379,115.70
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Solution
The fourth proportional to 1,418,481.70, 2,127,722.55 and 1,379,115.70 is: 2,068,673.55
Step by Step Solution
- Step 1: Write the proportion equation
1,418,481.70 : 2,127,722.55 = 1,379,115.70 : x - Step 2: Convert to fraction form
1,418,481.70/2,127,722.55 = 1,379,115.70/x - Step 3: Cross multiply
1,418,481.70x = 2,127,722.55 × 1,379,115.70 - Step 4: Simplify right side
1,418,481.70x = 2,934,375,573,949.03 - Step 5: Solve for x
x = 2,934,375,573,949.03/1,418,481.70 - Step 6: Final answer
x = 2,068,673.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.