Home / 1,783,984.28-2,461,899.58-968,187.78

Finding the Fourth Proportional to 1,783,984.28, 2,461,899.58 and 968,187.78

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Solution

The fourth proportional to 1,783,984.28, 2,461,899.58 and 968,187.78 is: 1,336,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,984.28 : 2,461,899.58 = 968,187.78 : x
  2. Step 2: Convert to fraction form
    1,783,984.28/2,461,899.58 = 968,187.78/x
  3. Step 3: Cross multiply
    1,783,984.28x = 2,461,899.58 × 968,187.78
  4. Step 4: Simplify right side
    1,783,984.28x = 2,383,581,088,943.13
  5. Step 5: Solve for x
    x = 2,383,581,088,943.13/1,783,984.28
  6. Step 6: Final answer
    x = 1,336,099.83

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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.