Home / 2,009,758.20-3,011,138.10-1,299,420.60

Finding the Fourth Proportional to 2,009,758.20, 3,011,138.10 and 1,299,420.60

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Solution

The fourth proportional to 2,009,758.20, 3,011,138.10 and 1,299,420.60 is: 1,946,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,758.20 : 3,011,138.10 = 1,299,420.60 : x
  2. Step 2: Convert to fraction form
    2,009,758.20/3,011,138.10 = 1,299,420.60/x
  3. Step 3: Cross multiply
    2,009,758.20x = 3,011,138.10 × 1,299,420.60
  4. Step 4: Simplify right side
    2,009,758.20x = 3,912,734,876,584.86
  5. Step 5: Solve for x
    x = 3,912,734,876,584.86/2,009,758.20
  6. Step 6: Final answer
    x = 1,946,868.47

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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.