Home / 6,619,905.31-9,929,843.36-1,762,212.90

Finding the Fourth Proportional to 6,619,905.31, 9,929,843.36 and 1,762,212.90

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Solution

The fourth proportional to 6,619,905.31, 9,929,843.36 and 1,762,212.90 is: 2,643,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,905.31 : 9,929,843.36 = 1,762,212.90 : x
  2. Step 2: Convert to fraction form
    6,619,905.31/9,929,843.36 = 1,762,212.90/x
  3. Step 3: Cross multiply
    6,619,905.31x = 9,929,843.36 × 1,762,212.90
  4. Step 4: Simplify right side
    6,619,905.31x = 17,498,498,043,150.12
  5. Step 5: Solve for x
    x = 17,498,498,043,150.12/6,619,905.31
  6. Step 6: Final answer
    x = 2,643,315.46

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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.