Home / 2,191,262.20-3,287,058.74-654,136.43

Finding the Fourth Proportional to 2,191,262.20, 3,287,058.74 and 654,136.43

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Solution

The fourth proportional to 2,191,262.20, 3,287,058.74 and 654,136.43 is: 981,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,262.20 : 3,287,058.74 = 654,136.43 : x
  2. Step 2: Convert to fraction form
    2,191,262.20/3,287,058.74 = 654,136.43/x
  3. Step 3: Cross multiply
    2,191,262.20x = 3,287,058.74 × 654,136.43
  4. Step 4: Simplify right side
    2,191,262.20x = 2,150,184,869,383.90
  5. Step 5: Solve for x
    x = 2,150,184,869,383.90/2,191,262.20
  6. Step 6: Final answer
    x = 981,254.03

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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.