Finding the Fourth Proportional to 2,183,117.70, 3,274,676.55 and 687,209.70
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Solution
The fourth proportional to 2,183,117.70, 3,274,676.55 and 687,209.70 is: 1,030,814.55
Step by Step Solution
- Step 1: Write the proportion equation
2,183,117.70 : 3,274,676.55 = 687,209.70 : x - Step 2: Convert to fraction form
2,183,117.70/3,274,676.55 = 687,209.70/x - Step 3: Cross multiply
2,183,117.70x = 3,274,676.55 × 687,209.70 - Step 4: Simplify right side
2,183,117.70x = 2,250,389,489,522.53 - Step 5: Solve for x
x = 2,250,389,489,522.53/2,183,117.70 - Step 6: Final answer
x = 1,030,814.55
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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.