Home / 1,621,257.14-2,237,343.65-886,212.41

Finding the Fourth Proportional to 1,621,257.14, 2,237,343.65 and 886,212.41

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Solution

The fourth proportional to 1,621,257.14, 2,237,343.65 and 886,212.41 is: 1,222,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,257.14 : 2,237,343.65 = 886,212.41 : x
  2. Step 2: Convert to fraction form
    1,621,257.14/2,237,343.65 = 886,212.41/x
  3. Step 3: Cross multiply
    1,621,257.14x = 2,237,343.65 × 886,212.41
  4. Step 4: Simplify right side
    1,621,257.14x = 1,982,761,692,446.92
  5. Step 5: Solve for x
    x = 1,982,761,692,446.92/1,621,257.14
  6. Step 6: Final answer
    x = 1,222,977.93

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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.