Home / 3,507,799.20-5,251,201.20-3,129,885.60

Finding the Fourth Proportional to 3,507,799.20, 5,251,201.20 and 3,129,885.60

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Solution

The fourth proportional to 3,507,799.20, 5,251,201.20 and 3,129,885.60 is: 4,685,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,799.20 : 5,251,201.20 = 3,129,885.60 : x
  2. Step 2: Convert to fraction form
    3,507,799.20/5,251,201.20 = 3,129,885.60/x
  3. Step 3: Cross multiply
    3,507,799.20x = 5,251,201.20 × 3,129,885.60
  4. Step 4: Simplify right side
    3,507,799.20x = 16,435,659,018,582.72
  5. Step 5: Solve for x
    x = 16,435,659,018,582.72/3,507,799.20
  6. Step 6: Final answer
    x = 4,685,461.76

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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.