Home / 3,458,211.96-4,772,408.37-1,909,469.46

Finding the Fourth Proportional to 3,458,211.96, 4,772,408.37 and 1,909,469.46

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Solution

The fourth proportional to 3,458,211.96, 4,772,408.37 and 1,909,469.46 is: 2,635,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,211.96 : 4,772,408.37 = 1,909,469.46 : x
  2. Step 2: Convert to fraction form
    3,458,211.96/4,772,408.37 = 1,909,469.46/x
  3. Step 3: Cross multiply
    3,458,211.96x = 4,772,408.37 × 1,909,469.46
  4. Step 4: Simplify right side
    3,458,211.96x = 9,112,768,043,899.40
  5. Step 5: Solve for x
    x = 9,112,768,043,899.40/3,458,211.96
  6. Step 6: Final answer
    x = 2,635,109.74

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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.