Home / 1,964,585.22-2,947,234.78-811,834.54

Finding the Fourth Proportional to 1,964,585.22, 2,947,234.78 and 811,834.54

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Solution

The fourth proportional to 1,964,585.22, 2,947,234.78 and 811,834.54 is: 1,217,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,585.22 : 2,947,234.78 = 811,834.54 : x
  2. Step 2: Convert to fraction form
    1,964,585.22/2,947,234.78 = 811,834.54/x
  3. Step 3: Cross multiply
    1,964,585.22x = 2,947,234.78 × 811,834.54
  4. Step 4: Simplify right side
    1,964,585.22x = 2,392,666,991,893.30
  5. Step 5: Solve for x
    x = 2,392,666,991,893.30/1,964,585.22
  6. Step 6: Final answer
    x = 1,217,899.31

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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.