Home / 6,109,361.60-9,164,042.40-2,120,273.60

Finding the Fourth Proportional to 6,109,361.60, 9,164,042.40 and 2,120,273.60

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Solution

The fourth proportional to 6,109,361.60, 9,164,042.40 and 2,120,273.60 is: 3,180,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109,361.60 : 9,164,042.40 = 2,120,273.60 : x
  2. Step 2: Convert to fraction form
    6,109,361.60/9,164,042.40 = 2,120,273.60/x
  3. Step 3: Cross multiply
    6,109,361.60x = 9,164,042.40 × 2,120,273.60
  4. Step 4: Simplify right side
    6,109,361.60x = 19,430,277,170,000.64
  5. Step 5: Solve for x
    x = 19,430,277,170,000.64/6,109,361.60
  6. Step 6: Final answer
    x = 3,180,410.40

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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.