Home / 2,197,421.55-3,298,076.33-1,297,738.35

Finding the Fourth Proportional to 2,197,421.55, 3,298,076.33 and 1,297,738.35

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Solution

The fourth proportional to 2,197,421.55, 3,298,076.33 and 1,297,738.35 is: 1,947,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,421.55 : 3,298,076.33 = 1,297,738.35 : x
  2. Step 2: Convert to fraction form
    2,197,421.55/3,298,076.33 = 1,297,738.35/x
  3. Step 3: Cross multiply
    2,197,421.55x = 3,298,076.33 × 1,297,738.35
  4. Step 4: Simplify right side
    2,197,421.55x = 4,280,040,128,179.56
  5. Step 5: Solve for x
    x = 4,280,040,128,179.56/2,197,421.55
  6. Step 6: Final answer
    x = 1,947,755.60

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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.