Home / 1,297,119.14-1,937,162.78-1,105,537.94

Finding the Fourth Proportional to 1,297,119.14, 1,937,162.78 and 1,105,537.94

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Solution

The fourth proportional to 1,297,119.14, 1,937,162.78 and 1,105,537.94 is: 1,651,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,119.14 : 1,937,162.78 = 1,105,537.94 : x
  2. Step 2: Convert to fraction form
    1,297,119.14/1,937,162.78 = 1,105,537.94/x
  3. Step 3: Cross multiply
    1,297,119.14x = 1,937,162.78 × 1,105,537.94
  4. Step 4: Simplify right side
    1,297,119.14x = 2,141,606,949,245.87
  5. Step 5: Solve for x
    x = 2,141,606,949,245.87/1,297,119.14
  6. Step 6: Final answer
    x = 1,651,048.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.