Home / 2,780,905.72-3,835,667.32-2,552,200.24

Finding the Fourth Proportional to 2,780,905.72, 3,835,667.32 and 2,552,200.24

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Solution

The fourth proportional to 2,780,905.72, 3,835,667.32 and 2,552,200.24 is: 3,520,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,905.72 : 3,835,667.32 = 2,552,200.24 : x
  2. Step 2: Convert to fraction form
    2,780,905.72/3,835,667.32 = 2,552,200.24/x
  3. Step 3: Cross multiply
    2,780,905.72x = 3,835,667.32 × 2,552,200.24
  4. Step 4: Simplify right side
    2,780,905.72x = 9,789,391,054,664.16
  5. Step 5: Solve for x
    x = 9,789,391,054,664.16/2,780,905.72
  6. Step 6: Final answer
    x = 3,520,216.81

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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.