Home / 1,842,453.72-2,761,584.16-1,121,204.68

Finding the Fourth Proportional to 1,842,453.72, 2,761,584.16 and 1,121,204.68

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Solution

The fourth proportional to 1,842,453.72, 2,761,584.16 and 1,121,204.68 is: 1,680,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,453.72 : 2,761,584.16 = 1,121,204.68 : x
  2. Step 2: Convert to fraction form
    1,842,453.72/2,761,584.16 = 1,121,204.68/x
  3. Step 3: Cross multiply
    1,842,453.72x = 2,761,584.16 × 1,121,204.68
  4. Step 4: Simplify right side
    1,842,453.72x = 3,096,301,084,405.87
  5. Step 5: Solve for x
    x = 3,096,301,084,405.87/1,842,453.72
  6. Step 6: Final answer
    x = 1,680,531.27

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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.