Home / 2,685,712.14-4,029,786.72-2,458,667.52

Finding the Fourth Proportional to 2,685,712.14, 4,029,786.72 and 2,458,667.52

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Solution

The fourth proportional to 2,685,712.14, 4,029,786.72 and 2,458,667.52 is: 3,689,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,712.14 : 4,029,786.72 = 2,458,667.52 : x
  2. Step 2: Convert to fraction form
    2,685,712.14/4,029,786.72 = 2,458,667.52/x
  3. Step 3: Cross multiply
    2,685,712.14x = 4,029,786.72 × 2,458,667.52
  4. Step 4: Simplify right side
    2,685,712.14x = 9,907,905,720,991.34
  5. Step 5: Solve for x
    x = 9,907,905,720,991.34/2,685,712.14
  6. Step 6: Final answer
    x = 3,689,116.78

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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.