Home / 2,666,817.05-3,680,217.22-1,443,122.43

Finding the Fourth Proportional to 2,666,817.05, 3,680,217.22 and 1,443,122.43

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Solution

The fourth proportional to 2,666,817.05, 3,680,217.22 and 1,443,122.43 is: 1,991,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,817.05 : 3,680,217.22 = 1,443,122.43 : x
  2. Step 2: Convert to fraction form
    2,666,817.05/3,680,217.22 = 1,443,122.43/x
  3. Step 3: Cross multiply
    2,666,817.05x = 3,680,217.22 × 1,443,122.43
  4. Step 4: Simplify right side
    2,666,817.05x = 5,311,004,017,454.25
  5. Step 5: Solve for x
    x = 5,311,004,017,454.25/2,666,817.05
  6. Step 6: Final answer
    x = 1,991,514.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.