Home / 1,996,197.20-2,989,630.20-1,956,107.60

Finding the Fourth Proportional to 1,996,197.20, 2,989,630.20 and 1,956,107.60

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Solution

The fourth proportional to 1,996,197.20, 2,989,630.20 and 1,956,107.60 is: 2,929,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,197.20 : 2,989,630.20 = 1,956,107.60 : x
  2. Step 2: Convert to fraction form
    1,996,197.20/2,989,630.20 = 1,956,107.60/x
  3. Step 3: Cross multiply
    1,996,197.20x = 2,989,630.20 × 1,956,107.60
  4. Step 4: Simplify right side
    1,996,197.20x = 5,848,038,355,409.52
  5. Step 5: Solve for x
    x = 5,848,038,355,409.52/1,996,197.20
  6. Step 6: Final answer
    x = 2,929,589.50

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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.