Home / 1,678,231.03-2,315,351.31-1,097,785.51

Finding the Fourth Proportional to 1,678,231.03, 2,315,351.31 and 1,097,785.51

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Solution

The fourth proportional to 1,678,231.03, 2,315,351.31 and 1,097,785.51 is: 1,514,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,231.03 : 2,315,351.31 = 1,097,785.51 : x
  2. Step 2: Convert to fraction form
    1,678,231.03/2,315,351.31 = 1,097,785.51/x
  3. Step 3: Cross multiply
    1,678,231.03x = 2,315,351.31 × 1,097,785.51
  4. Step 4: Simplify right side
    1,678,231.03x = 2,541,759,126,511.85
  5. Step 5: Solve for x
    x = 2,541,759,126,511.85/1,678,231.03
  6. Step 6: Final answer
    x = 1,514,546.61

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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.