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Finding the Fourth Proportional to 6,394,451.80, 9,591,677.70 and 5,871,904.60

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Solution

The fourth proportional to 6,394,451.80, 9,591,677.70 and 5,871,904.60 is: 8,807,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394,451.80 : 9,591,677.70 = 5,871,904.60 : x
  2. Step 2: Convert to fraction form
    6,394,451.80/9,591,677.70 = 5,871,904.60/x
  3. Step 3: Cross multiply
    6,394,451.80x = 9,591,677.70 × 5,871,904.60
  4. Step 4: Simplify right side
    6,394,451.80x = 56,321,416,408,347.41
  5. Step 5: Solve for x
    x = 56,321,416,408,347.41/6,394,451.80
  6. Step 6: Final answer
    x = 8,807,856.90

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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.