Home / 4,320,086.40-6,480,129.60-4,135,795.20

Finding the Fourth Proportional to 4,320,086.40, 6,480,129.60 and 4,135,795.20

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Solution

The fourth proportional to 4,320,086.40, 6,480,129.60 and 4,135,795.20 is: 6,203,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,086.40 : 6,480,129.60 = 4,135,795.20 : x
  2. Step 2: Convert to fraction form
    4,320,086.40/6,480,129.60 = 4,135,795.20/x
  3. Step 3: Cross multiply
    4,320,086.40x = 6,480,129.60 × 4,135,795.20
  4. Step 4: Simplify right side
    4,320,086.40x = 26,800,488,895,057.92
  5. Step 5: Solve for x
    x = 26,800,488,895,057.92/4,320,086.40
  6. Step 6: Final answer
    x = 6,203,692.80

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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.