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Finding the Fourth Proportional to 2,784,507.58, 4,176,764.95 and 762,769.27

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Solution

The fourth proportional to 2,784,507.58, 4,176,764.95 and 762,769.27 is: 1,144,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,507.58 : 4,176,764.95 = 762,769.27 : x
  2. Step 2: Convert to fraction form
    2,784,507.58/4,176,764.95 = 762,769.27/x
  3. Step 3: Cross multiply
    2,784,507.58x = 4,176,764.95 × 762,769.27
  4. Step 4: Simplify right side
    2,784,507.58x = 3,185,907,951,873.09
  5. Step 5: Solve for x
    x = 3,185,907,951,873.09/2,784,507.58
  6. Step 6: Final answer
    x = 1,144,154.89

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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.