Home / 3,933,999.10-5,429,086.31-2,191,667.50

Finding the Fourth Proportional to 3,933,999.10, 5,429,086.31 and 2,191,667.50

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Solution

The fourth proportional to 3,933,999.10, 5,429,086.31 and 2,191,667.50 is: 3,024,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933,999.10 : 5,429,086.31 = 2,191,667.50 : x
  2. Step 2: Convert to fraction form
    3,933,999.10/5,429,086.31 = 2,191,667.50/x
  3. Step 3: Cross multiply
    3,933,999.10x = 5,429,086.31 × 2,191,667.50
  4. Step 4: Simplify right side
    3,933,999.10x = 11,898,752,020,321.92
  5. Step 5: Solve for x
    x = 11,898,752,020,321.92/3,933,999.10
  6. Step 6: Final answer
    x = 3,024,594.49

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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.