Home / 3,217,321.20-4,821,834.60-1,953,807.60

Finding the Fourth Proportional to 3,217,321.20, 4,821,834.60 and 1,953,807.60

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Solution

The fourth proportional to 3,217,321.20, 4,821,834.60 and 1,953,807.60 is: 2,928,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,321.20 : 4,821,834.60 = 1,953,807.60 : x
  2. Step 2: Convert to fraction form
    3,217,321.20/4,821,834.60 = 1,953,807.60/x
  3. Step 3: Cross multiply
    3,217,321.20x = 4,821,834.60 × 1,953,807.60
  4. Step 4: Simplify right side
    3,217,321.20x = 9,420,937,087,422.96
  5. Step 5: Solve for x
    x = 9,420,937,087,422.96/3,217,321.20
  6. Step 6: Final answer
    x = 2,928,192.90

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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.