Home / 1,854,682.14-2,782,212-640,100.70

Finding the Fourth Proportional to 1,854,682.14, 2,782,212 and 640,100.70

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Solution

The fourth proportional to 1,854,682.14, 2,782,212 and 640,100.70 is: 960,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,682.14 : 2,782,212 = 640,100.70 : x
  2. Step 2: Convert to fraction form
    1,854,682.14/2,782,212 = 640,100.70/x
  3. Step 3: Cross multiply
    1,854,682.14x = 2,782,212 × 640,100.70
  4. Step 4: Simplify right side
    1,854,682.14x = 1,780,895,848,748.40
  5. Step 5: Solve for x
    x = 1,780,895,848,748.40/1,854,682.14
  6. Step 6: Final answer
    x = 960,216.21

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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.