Home / 2,028,836.43-3,042,114.57-1,389,860.64

Finding the Fourth Proportional to 2,028,836.43, 3,042,114.57 and 1,389,860.64

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Solution

The fourth proportional to 2,028,836.43, 3,042,114.57 and 1,389,860.64 is: 2,084,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,836.43 : 3,042,114.57 = 1,389,860.64 : x
  2. Step 2: Convert to fraction form
    2,028,836.43/3,042,114.57 = 1,389,860.64/x
  3. Step 3: Cross multiply
    2,028,836.43x = 3,042,114.57 × 1,389,860.64
  4. Step 4: Simplify right side
    2,028,836.43x = 4,228,115,303,213.52
  5. Step 5: Solve for x
    x = 4,228,115,303,213.52/2,028,836.43
  6. Step 6: Final answer
    x = 2,084,009.95

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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.