Home / 2,018,748.90-3,025,358.55-1,645,500.90

Finding the Fourth Proportional to 2,018,748.90, 3,025,358.55 and 1,645,500.90

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Solution

The fourth proportional to 2,018,748.90, 3,025,358.55 and 1,645,500.90 is: 2,465,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,748.90 : 3,025,358.55 = 1,645,500.90 : x
  2. Step 2: Convert to fraction form
    2,018,748.90/3,025,358.55 = 1,645,500.90/x
  3. Step 3: Cross multiply
    2,018,748.90x = 3,025,358.55 × 1,645,500.90
  4. Step 4: Simplify right side
    2,018,748.90x = 4,978,230,216,847.69
  5. Step 5: Solve for x
    x = 4,978,230,216,847.69/2,018,748.90
  6. Step 6: Final answer
    x = 2,465,997.74

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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.