Home / 2,188,485.93-3,013,425.03-1,983,201.28

Finding the Fourth Proportional to 2,188,485.93, 3,013,425.03 and 1,983,201.28

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Solution

The fourth proportional to 2,188,485.93, 3,013,425.03 and 1,983,201.28 is: 2,730,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,485.93 : 3,013,425.03 = 1,983,201.28 : x
  2. Step 2: Convert to fraction form
    2,188,485.93/3,013,425.03 = 1,983,201.28/x
  3. Step 3: Cross multiply
    2,188,485.93x = 3,013,425.03 × 1,983,201.28
  4. Step 4: Simplify right side
    2,188,485.93x = 5,976,228,361,714.06
  5. Step 5: Solve for x
    x = 5,976,228,361,714.06/2,188,485.93
  6. Step 6: Final answer
    x = 2,730,759.32

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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.