Home / 2,172,993.39-3,255,228.72-1,260,258.39

Finding the Fourth Proportional to 2,172,993.39, 3,255,228.72 and 1,260,258.39

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Solution

The fourth proportional to 2,172,993.39, 3,255,228.72 and 1,260,258.39 is: 1,887,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,993.39 : 3,255,228.72 = 1,260,258.39 : x
  2. Step 2: Convert to fraction form
    2,172,993.39/3,255,228.72 = 1,260,258.39/x
  3. Step 3: Cross multiply
    2,172,993.39x = 3,255,228.72 × 1,260,258.39
  4. Step 4: Simplify right side
    2,172,993.39x = 4,102,429,305,748.96
  5. Step 5: Solve for x
    x = 4,102,429,305,748.96/2,172,993.39
  6. Step 6: Final answer
    x = 1,887,916.15

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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.