Home / 2,774,667.86-4,162,001.79-780,123.86

Finding the Fourth Proportional to 2,774,667.86, 4,162,001.79 and 780,123.86

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Solution

The fourth proportional to 2,774,667.86, 4,162,001.79 and 780,123.86 is: 1,170,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,667.86 : 4,162,001.79 = 780,123.86 : x
  2. Step 2: Convert to fraction form
    2,774,667.86/4,162,001.79 = 780,123.86/x
  3. Step 3: Cross multiply
    2,774,667.86x = 4,162,001.79 × 780,123.86
  4. Step 4: Simplify right side
    2,774,667.86x = 3,246,876,901,741.71
  5. Step 5: Solve for x
    x = 3,246,876,901,741.71/2,774,667.86
  6. Step 6: Final answer
    x = 1,170,185.79

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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.