Home / 1,972,118.36-2,721,467.94-1,112,758.58

Finding the Fourth Proportional to 1,972,118.36, 2,721,467.94 and 1,112,758.58

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Solution

The fourth proportional to 1,972,118.36, 2,721,467.94 and 1,112,758.58 is: 1,535,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,118.36 : 2,721,467.94 = 1,112,758.58 : x
  2. Step 2: Convert to fraction form
    1,972,118.36/2,721,467.94 = 1,112,758.58/x
  3. Step 3: Cross multiply
    1,972,118.36x = 2,721,467.94 × 1,112,758.58
  4. Step 4: Simplify right side
    1,972,118.36x = 3,028,336,800,429.93
  5. Step 5: Solve for x
    x = 3,028,336,800,429.93/1,972,118.36
  6. Step 6: Final answer
    x = 1,535,575.58

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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.