Home / 2,155,420.64-3,233,131.20-1,196,465.12

Finding the Fourth Proportional to 2,155,420.64, 3,233,131.20 and 1,196,465.12

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Solution

The fourth proportional to 2,155,420.64, 3,233,131.20 and 1,196,465.12 is: 1,794,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,420.64 : 3,233,131.20 = 1,196,465.12 : x
  2. Step 2: Convert to fraction form
    2,155,420.64/3,233,131.20 = 1,196,465.12/x
  3. Step 3: Cross multiply
    2,155,420.64x = 3,233,131.20 × 1,196,465.12
  4. Step 4: Simplify right side
    2,155,420.64x = 3,868,328,709,183.74
  5. Step 5: Solve for x
    x = 3,868,328,709,183.74/2,155,420.64
  6. Step 6: Final answer
    x = 1,794,697.81

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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.