Home / 5,390,735.60-8,086,103.40-2,871,311.60

Finding the Fourth Proportional to 5,390,735.60, 8,086,103.40 and 2,871,311.60

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Solution

The fourth proportional to 5,390,735.60, 8,086,103.40 and 2,871,311.60 is: 4,306,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,735.60 : 8,086,103.40 = 2,871,311.60 : x
  2. Step 2: Convert to fraction form
    5,390,735.60/8,086,103.40 = 2,871,311.60/x
  3. Step 3: Cross multiply
    5,390,735.60x = 8,086,103.40 × 2,871,311.60
  4. Step 4: Simplify right side
    5,390,735.60x = 23,217,722,491,219.44
  5. Step 5: Solve for x
    x = 23,217,722,491,219.44/5,390,735.60
  6. Step 6: Final answer
    x = 4,306,967.40

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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.