Home / 2,811,747.12-3,880,204-1,522,587.40

Finding the Fourth Proportional to 2,811,747.12, 3,880,204 and 1,522,587.40

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Solution

The fourth proportional to 2,811,747.12, 3,880,204 and 1,522,587.40 is: 2,101,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,747.12 : 3,880,204 = 1,522,587.40 : x
  2. Step 2: Convert to fraction form
    2,811,747.12/3,880,204 = 1,522,587.40/x
  3. Step 3: Cross multiply
    2,811,747.12x = 3,880,204 × 1,522,587.40
  4. Step 4: Simplify right side
    2,811,747.12x = 5,907,949,719,829.60
  5. Step 5: Solve for x
    x = 5,907,949,719,829.60/2,811,747.12
  6. Step 6: Final answer
    x = 2,101,166.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.