Home / 2,176,163.20-3,263,078.40-912,563.20

Finding the Fourth Proportional to 2,176,163.20, 3,263,078.40 and 912,563.20

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Solution

The fourth proportional to 2,176,163.20, 3,263,078.40 and 912,563.20 is: 1,368,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,163.20 : 3,263,078.40 = 912,563.20 : x
  2. Step 2: Convert to fraction form
    2,176,163.20/3,263,078.40 = 912,563.20/x
  3. Step 3: Cross multiply
    2,176,163.20x = 3,263,078.40 × 912,563.20
  4. Step 4: Simplify right side
    2,176,163.20x = 2,977,765,266,554.88
  5. Step 5: Solve for x
    x = 2,977,765,266,554.88/2,176,163.20
  6. Step 6: Final answer
    x = 1,368,355.68

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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.