Home / 3,906,871.20-5,860,528.34-1,211,579.60

Finding the Fourth Proportional to 3,906,871.20, 5,860,528.34 and 1,211,579.60

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Solution

The fourth proportional to 3,906,871.20, 5,860,528.34 and 1,211,579.60 is: 1,817,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,871.20 : 5,860,528.34 = 1,211,579.60 : x
  2. Step 2: Convert to fraction form
    3,906,871.20/5,860,528.34 = 1,211,579.60/x
  3. Step 3: Cross multiply
    3,906,871.20x = 5,860,528.34 × 1,211,579.60
  4. Step 4: Simplify right side
    3,906,871.20x = 7,100,496,546,605.32
  5. Step 5: Solve for x
    x = 7,100,496,546,605.32/3,906,871.20
  6. Step 6: Final answer
    x = 1,817,438.09

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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.