Home / 2,385,469.14-3,291,872.43-1,297,712.76

Finding the Fourth Proportional to 2,385,469.14, 3,291,872.43 and 1,297,712.76

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Solution

The fourth proportional to 2,385,469.14, 3,291,872.43 and 1,297,712.76 is: 1,790,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385,469.14 : 3,291,872.43 = 1,297,712.76 : x
  2. Step 2: Convert to fraction form
    2,385,469.14/3,291,872.43 = 1,297,712.76/x
  3. Step 3: Cross multiply
    2,385,469.14x = 3,291,872.43 × 1,297,712.76
  4. Step 4: Simplify right side
    2,385,469.14x = 4,271,904,856,703.21
  5. Step 5: Solve for x
    x = 4,271,904,856,703.21/2,385,469.14
  6. Step 6: Final answer
    x = 1,790,802.82

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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.