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Finding the Fourth Proportional to 1,906,679, 2,860,017.60 and 486,734.60

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Solution

The fourth proportional to 1,906,679, 2,860,017.60 and 486,734.60 is: 730,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,679 : 2,860,017.60 = 486,734.60 : x
  2. Step 2: Convert to fraction form
    1,906,679/2,860,017.60 = 486,734.60/x
  3. Step 3: Cross multiply
    1,906,679x = 2,860,017.60 × 486,734.60
  4. Step 4: Simplify right side
    1,906,679x = 1,392,069,522,528.96
  5. Step 5: Solve for x
    x = 1,392,069,522,528.96/1,906,679
  6. Step 6: Final answer
    x = 730,101.67

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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.