Home / 3,798,862.56-5,242,850.40-2,167,671.60

Finding the Fourth Proportional to 3,798,862.56, 5,242,850.40 and 2,167,671.60

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Solution

The fourth proportional to 3,798,862.56, 5,242,850.40 and 2,167,671.60 is: 2,991,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798,862.56 : 5,242,850.40 = 2,167,671.60 : x
  2. Step 2: Convert to fraction form
    3,798,862.56/5,242,850.40 = 2,167,671.60/x
  3. Step 3: Cross multiply
    3,798,862.56x = 5,242,850.40 × 2,167,671.60
  4. Step 4: Simplify right side
    3,798,862.56x = 11,364,777,915,128.64
  5. Step 5: Solve for x
    x = 11,364,777,915,128.64/3,798,862.56
  6. Step 6: Final answer
    x = 2,991,626.50

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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.