Home / 2,142,457.73-3,213,704.77-545,022.17

Finding the Fourth Proportional to 2,142,457.73, 3,213,704.77 and 545,022.17

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Solution

The fourth proportional to 2,142,457.73, 3,213,704.77 and 545,022.17 is: 817,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,457.73 : 3,213,704.77 = 545,022.17 : x
  2. Step 2: Convert to fraction form
    2,142,457.73/3,213,704.77 = 545,022.17/x
  3. Step 3: Cross multiply
    2,142,457.73x = 3,213,704.77 × 545,022.17
  4. Step 4: Simplify right side
    2,142,457.73x = 1,751,540,347,484.75
  5. Step 5: Solve for x
    x = 1,751,540,347,484.75/2,142,457.73
  6. Step 6: Final answer
    x = 817,537.88

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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.