Home / 4,101,168.60-5,618,507.67-3,947,830.20

Finding the Fourth Proportional to 4,101,168.60, 5,618,507.67 and 3,947,830.20

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Solution

The fourth proportional to 4,101,168.60, 5,618,507.67 and 3,947,830.20 is: 5,408,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101,168.60 : 5,618,507.67 = 3,947,830.20 : x
  2. Step 2: Convert to fraction form
    4,101,168.60/5,618,507.67 = 3,947,830.20/x
  3. Step 3: Cross multiply
    4,101,168.60x = 5,618,507.67 × 3,947,830.20
  4. Step 4: Simplify right side
    4,101,168.60x = 22,180,914,258,557.63
  5. Step 5: Solve for x
    x = 22,180,914,258,557.63/4,101,168.60
  6. Step 6: Final answer
    x = 5,408,437.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.