Finding the Fourth Proportional to 2,030,421.53, 2,801,982.17 and 1,214,659.19
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Solution
The fourth proportional to 2,030,421.53, 2,801,982.17 and 1,214,659.19 is: 1,676,229.96
Step by Step Solution
- Step 1: Write the proportion equation
2,030,421.53 : 2,801,982.17 = 1,214,659.19 : x - Step 2: Convert to fraction form
2,030,421.53/2,801,982.17 = 1,214,659.19/x - Step 3: Cross multiply
2,030,421.53x = 2,801,982.17 × 1,214,659.19 - Step 4: Simplify right side
2,030,421.53x = 3,403,453,393,006.64 - Step 5: Solve for x
x = 3,403,453,393,006.64/2,030,421.53 - Step 6: Final answer
x = 1,676,229.96
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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.