Home / 1,996,195.20-2,989,627.20-1,956,105.60

Finding the Fourth Proportional to 1,996,195.20, 2,989,627.20 and 1,956,105.60

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Solution

The fourth proportional to 1,996,195.20, 2,989,627.20 and 1,956,105.60 is: 2,929,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,195.20 : 2,989,627.20 = 1,956,105.60 : x
  2. Step 2: Convert to fraction form
    1,996,195.20/2,989,627.20 = 1,956,105.60/x
  3. Step 3: Cross multiply
    1,996,195.20x = 2,989,627.20 × 1,956,105.60
  4. Step 4: Simplify right side
    1,996,195.20x = 5,848,026,507,832.32
  5. Step 5: Solve for x
    x = 5,848,026,507,832.32/1,996,195.20
  6. Step 6: Final answer
    x = 2,929,586.50

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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.