Home / 1,821,457.80-2,725,188.30-1,191,601.80

Finding the Fourth Proportional to 1,821,457.80, 2,725,188.30 and 1,191,601.80

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Solution

The fourth proportional to 1,821,457.80, 2,725,188.30 and 1,191,601.80 is: 1,782,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,457.80 : 2,725,188.30 = 1,191,601.80 : x
  2. Step 2: Convert to fraction form
    1,821,457.80/2,725,188.30 = 1,191,601.80/x
  3. Step 3: Cross multiply
    1,821,457.80x = 2,725,188.30 × 1,191,601.80
  4. Step 4: Simplify right side
    1,821,457.80x = 3,247,339,283,618.94
  5. Step 5: Solve for x
    x = 3,247,339,283,618.94/1,821,457.80
  6. Step 6: Final answer
    x = 1,782,824.33

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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.