Home / 2,081,352.78-2,871,424.90-1,383,967.69

Finding the Fourth Proportional to 2,081,352.78, 2,871,424.90 and 1,383,967.69

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Solution

The fourth proportional to 2,081,352.78, 2,871,424.90 and 1,383,967.69 is: 1,909,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,352.78 : 2,871,424.90 = 1,383,967.69 : x
  2. Step 2: Convert to fraction form
    2,081,352.78/2,871,424.90 = 1,383,967.69/x
  3. Step 3: Cross multiply
    2,081,352.78x = 2,871,424.90 × 1,383,967.69
  4. Step 4: Simplify right side
    2,081,352.78x = 3,973,959,291,180.72
  5. Step 5: Solve for x
    x = 3,973,959,291,180.72/2,081,352.78
  6. Step 6: Final answer
    x = 1,909,315.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.