Home / 1,977,789.20-2,972,904.60-1,940,464.40

Finding the Fourth Proportional to 1,977,789.20, 2,972,904.60 and 1,940,464.40

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Solution

The fourth proportional to 1,977,789.20, 2,972,904.60 and 1,940,464.40 is: 2,916,800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,789.20 : 2,972,904.60 = 1,940,464.40 : x
  2. Step 2: Convert to fraction form
    1,977,789.20/2,972,904.60 = 1,940,464.40/x
  3. Step 3: Cross multiply
    1,977,789.20x = 2,972,904.60 × 1,940,464.40
  4. Step 4: Simplify right side
    1,977,789.20x = 5,768,815,540,896.24
  5. Step 5: Solve for x
    x = 5,768,815,540,896.24/1,977,789.20
  6. Step 6: Final answer
    x = 2,916,800.00

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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.