Home / 1,857,361.49-2,786,042.85-1,226,127.68

Finding the Fourth Proportional to 1,857,361.49, 2,786,042.85 and 1,226,127.68

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Solution

The fourth proportional to 1,857,361.49, 2,786,042.85 and 1,226,127.68 is: 1,839,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,361.49 : 2,786,042.85 = 1,226,127.68 : x
  2. Step 2: Convert to fraction form
    1,857,361.49/2,786,042.85 = 1,226,127.68/x
  3. Step 3: Cross multiply
    1,857,361.49x = 2,786,042.85 × 1,226,127.68
  4. Step 4: Simplify right side
    1,857,361.49x = 3,416,044,263,016.20
  5. Step 5: Solve for x
    x = 3,416,044,263,016.20/1,857,361.49
  6. Step 6: Final answer
    x = 1,839,191.93

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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.