Finding the Fourth Proportional to 2,672,197.02, 3,687,865.20 and 1,465,206.30
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Solution
The fourth proportional to 2,672,197.02, 3,687,865.20 and 1,465,206.30 is: 2,022,112.62
Step by Step Solution
- Step 1: Write the proportion equation
2,672,197.02 : 3,687,865.20 = 1,465,206.30 : x - Step 2: Convert to fraction form
2,672,197.02/3,687,865.20 = 1,465,206.30/x - Step 3: Cross multiply
2,672,197.02x = 3,687,865.20 × 1,465,206.30 - Step 4: Simplify right side
2,672,197.02x = 5,403,483,324,590.76 - Step 5: Solve for x
x = 5,403,483,324,590.76/2,672,197.02 - Step 6: Final answer
x = 2,022,112.62
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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.