Home / 3,500,800.80-5,251,201.20-2,003,661.60

Finding the Fourth Proportional to 3,500,800.80, 5,251,201.20 and 2,003,661.60

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Solution

The fourth proportional to 3,500,800.80, 5,251,201.20 and 2,003,661.60 is: 3,005,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,800.80 : 5,251,201.20 = 2,003,661.60 : x
  2. Step 2: Convert to fraction form
    3,500,800.80/5,251,201.20 = 2,003,661.60/x
  3. Step 3: Cross multiply
    3,500,800.80x = 5,251,201.20 × 2,003,661.60
  4. Step 4: Simplify right side
    3,500,800.80x = 10,521,630,198,313.92
  5. Step 5: Solve for x
    x = 10,521,630,198,313.92/3,500,800.80
  6. Step 6: Final answer
    x = 3,005,492.40

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1.5x scale

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.