Home / 1,857,361.87-2,786,043.41-1,226,128.06

Finding the Fourth Proportional to 1,857,361.87, 2,786,043.41 and 1,226,128.06

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Solution

The fourth proportional to 1,857,361.87, 2,786,043.41 and 1,226,128.06 is: 1,839,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,361.87 : 2,786,043.41 = 1,226,128.06 : x
  2. Step 2: Convert to fraction form
    1,857,361.87/2,786,043.41 = 1,226,128.06/x
  3. Step 3: Cross multiply
    1,857,361.87x = 2,786,043.41 × 1,226,128.06
  4. Step 4: Simplify right side
    1,857,361.87x = 3,416,045,997,479.30
  5. Step 5: Solve for x
    x = 3,416,045,997,479.30/1,857,361.87
  6. Step 6: Final answer
    x = 1,839,192.49

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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.