Home / 1,621,245.14-2,237,327.06-886,200.40

Finding the Fourth Proportional to 1,621,245.14, 2,237,327.06 and 886,200.40

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Solution

The fourth proportional to 1,621,245.14, 2,237,327.06 and 886,200.40 is: 1,222,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,245.14 : 2,237,327.06 = 886,200.40 : x
  2. Step 2: Convert to fraction form
    1,621,245.14/2,237,327.06 = 886,200.40/x
  3. Step 3: Cross multiply
    1,621,245.14x = 2,237,327.06 × 886,200.40
  4. Step 4: Simplify right side
    1,621,245.14x = 1,982,720,135,502.82
  5. Step 5: Solve for x
    x = 1,982,720,135,502.82/1,621,245.14
  6. Step 6: Final answer
    x = 1,222,961.34

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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.