Home / 3,258,640.83-4,888,390.29-1,209,022.40

Finding the Fourth Proportional to 3,258,640.83, 4,888,390.29 and 1,209,022.40

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Solution

The fourth proportional to 3,258,640.83, 4,888,390.29 and 1,209,022.40 is: 1,813,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,640.83 : 4,888,390.29 = 1,209,022.40 : x
  2. Step 2: Convert to fraction form
    3,258,640.83/4,888,390.29 = 1,209,022.40/x
  3. Step 3: Cross multiply
    3,258,640.83x = 4,888,390.29 × 1,209,022.40
  4. Step 4: Simplify right side
    3,258,640.83x = 5,910,173,336,110.55
  5. Step 5: Solve for x
    x = 5,910,173,336,110.55/3,258,640.83
  6. Step 6: Final answer
    x = 1,813,692.78

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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.