Home / 2,629,902.60-3,942,132.30-1,429,288.20

Finding the Fourth Proportional to 2,629,902.60, 3,942,132.30 and 1,429,288.20

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Solution

The fourth proportional to 2,629,902.60, 3,942,132.30 and 1,429,288.20 is: 2,142,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,902.60 : 3,942,132.30 = 1,429,288.20 : x
  2. Step 2: Convert to fraction form
    2,629,902.60/3,942,132.30 = 1,429,288.20/x
  3. Step 3: Cross multiply
    2,629,902.60x = 3,942,132.30 × 1,429,288.20
  4. Step 4: Simplify right side
    2,629,902.60x = 5,634,443,179,228.86
  5. Step 5: Solve for x
    x = 5,634,443,179,228.86/2,629,902.60
  6. Step 6: Final answer
    x = 2,142,453.18

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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.