Home / 1,820,147.60-2,729,962.20-622,125.20

Finding the Fourth Proportional to 1,820,147.60, 2,729,962.20 and 622,125.20

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Solution

The fourth proportional to 1,820,147.60, 2,729,962.20 and 622,125.20 is: 933,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,147.60 : 2,729,962.20 = 622,125.20 : x
  2. Step 2: Convert to fraction form
    1,820,147.60/2,729,962.20 = 622,125.20/x
  3. Step 3: Cross multiply
    1,820,147.60x = 2,729,962.20 × 622,125.20
  4. Step 4: Simplify right side
    1,820,147.60x = 1,698,378,279,667.44
  5. Step 5: Solve for x
    x = 1,698,378,279,667.44/1,820,147.60
  6. Step 6: Final answer
    x = 933,099.21

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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.