Home / 1,964,662.20-2,711,391.30-1,105,171.20

Finding the Fourth Proportional to 1,964,662.20, 2,711,391.30 and 1,105,171.20

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Solution

The fourth proportional to 1,964,662.20, 2,711,391.30 and 1,105,171.20 is: 1,525,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,662.20 : 2,711,391.30 = 1,105,171.20 : x
  2. Step 2: Convert to fraction form
    1,964,662.20/2,711,391.30 = 1,105,171.20/x
  3. Step 3: Cross multiply
    1,964,662.20x = 2,711,391.30 × 1,105,171.20
  4. Step 4: Simplify right side
    1,964,662.20x = 2,996,551,576,690.56
  5. Step 5: Solve for x
    x = 2,996,551,576,690.56/1,964,662.20
  6. Step 6: Final answer
    x = 1,525,224.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.