Home / 4,122,749.88-5,688,105.90-2,380,190.52

Finding the Fourth Proportional to 4,122,749.88, 5,688,105.90 and 2,380,190.52

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Solution

The fourth proportional to 4,122,749.88, 5,688,105.90 and 2,380,190.52 is: 3,283,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122,749.88 : 5,688,105.90 = 2,380,190.52 : x
  2. Step 2: Convert to fraction form
    4,122,749.88/5,688,105.90 = 2,380,190.52/x
  3. Step 3: Cross multiply
    4,122,749.88x = 5,688,105.90 × 2,380,190.52
  4. Step 4: Simplify right side
    4,122,749.88x = 13,538,775,739,936.07
  5. Step 5: Solve for x
    x = 13,538,775,739,936.07/4,122,749.88
  6. Step 6: Final answer
    x = 3,283,918.78

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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.