Home / 2,271,820.53-3,135,121.28-1,239,350.38

Finding the Fourth Proportional to 2,271,820.53, 3,135,121.28 and 1,239,350.38

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Solution

The fourth proportional to 2,271,820.53, 3,135,121.28 and 1,239,350.38 is: 1,710,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,820.53 : 3,135,121.28 = 1,239,350.38 : x
  2. Step 2: Convert to fraction form
    2,271,820.53/3,135,121.28 = 1,239,350.38/x
  3. Step 3: Cross multiply
    2,271,820.53x = 3,135,121.28 × 1,239,350.38
  4. Step 4: Simplify right side
    2,271,820.53x = 3,885,513,760,650.27
  5. Step 5: Solve for x
    x = 3,885,513,760,650.27/2,271,820.53
  6. Step 6: Final answer
    x = 1,710,308.41

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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.